ETH In-Line Heater 200 watt, 5/8"

ETH In-Line Heater 200 watt, 5/8"

15% Off Regular Priced Items with code 15AUGUST

Prevents temperature variations caused by poor water circulation Precise, accurate temperature setting Indicator light shows when unit is "ON" Double insulated and double sealed The first compact aquarium heater that operates externally, saving... more

$52.99

FREE shipping

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(275,000+)
ETH In-Line Heater 200 watt, 1/2"

ETH In-Line Heater 200 watt, 1/2"

15% Off Regular Priced Items with code 15AUGUST

Prevents temperature variations caused by poor water circulation Precise, accurate temperature setting Indicator light shows when unit is "ON" Double insulated and double sealed The first compact aquarium heater that operates externally, saving... more

$52.99

FREE shipping

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(275,000+)
Hydor ETH 300 In-Line External Aquarium Heater, 300w, 5/8" hose

Hydor ETH 300 In-Line External Aquarium Heater, 300w, 5/8" hose

ETH Heaters are the first external heaters for aquariums with the exclusive PTC technology. The self-limiting PTC heating element guarantees maximum safety against any risk of overheating. Designed to be used on return lines coming from canister... more

$49.85

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Hydor 7.5w Slim Heater for Bettas and Bowls, 2 to 5 gal

Hydor 7.5w Slim Heater for Bettas and Bowls, 2 to 5 gal

Hydor 7-1/2-watt Slim Heater helps guarantee your fish a healthy life by promoting the ideal water temperature. Specially designed with the innovative PTC (Positive Thermal Coefficient) element to heat the temperature of your aquarium or terrarium an... more

$9.99

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ETH In-Line Heater 300 watt, 5/8"

ETH In-Line Heater 300 watt, 5/8"

15% Off Regular Priced Items with code 15AUGUST

Prevents temperature variations caused by poor water circulation Precise, accurate temperature setting Indicator light shows when unit is "ON" Double insulated and double sealed The first compact aquarium heater that operates externally, saving... more

$54.99

FREE shipping

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(275,000+)
Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

300W in-line aquarium heater suitable for all canister filters with 5/8" flexible hosing. No danger of damage if unit is run dry for short period as the ETH will switch itself off before overheating. Heats with high efficiency and designed to avoid... more

$47.95

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Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

300W in-line aquarium heater suitable for all canister filters with 5/8 flexible hosing. No danger of damage if unit is run dry for short period as the ETH will switch itself off before overheating. Heats with high efficiency and designed to avoid... more

$58.24

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Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

300W in-line aquarium heater suitable for all canister filters with 5/8 flexible hosing. No danger of damage if unit is run dry for short period as the ETH will switch itself off before overheating. Heats with high efficiency and designed to avoid... more

$58.24

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Peazz

(100+)
Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy00036

Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy00036

200W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 26-53 gallons.Length - 12 Part #: AHY00036Item Name: Theo... more

$34.61

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Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy00036

Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy00036

200W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 26-53 gallons.Length - 12"Part #: AHY00036Item Name: Theo... more

$25.95

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Hydor 15w Slim Heater for Bettas and Aquariums, 5 to 10 GAL

Hydor 15w Slim Heater for Bettas and Aquariums, 5 to 10 GAL

Hydor 15-watt slim heater helps guarantee your fish a healthy life by promoting the ideal water temperature. Specially designed with the innovative positive thermal coefficient element to heat the temperature of your aquarium or terrarium an average of... more

$10.99

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Slim Heater for Mini Aquariums - 5 to 10 gal. - 15W

Slim Heater for Mini Aquariums - 5 to 10 gal. - 15W

A 15 watt Slim Heater is ideal for your mini or micro tropical aquarium 5 to 10 gallons in size. Shock proof heater is uniquely shaped to fit easily into a variety of tanks; above or below the substrate. Perfect for glass; acrylic; or plastic... more

$18.99

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Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy00036

Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy00036

200W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 26-53 gallons.Length - 12 Part #: AHY00036Item Name: Theo... more

$34.61

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Peazz

(100+)
Slim Heater for Mini Aquariums - 7.5W - Up to 5 gal.

Slim Heater for Mini Aquariums - 7.5W - Up to 5 gal.

A 7.5 watt Slim Heater is ideal for your mini or micro tropical aquarium up to 5 gallons in size. Shock proof heater is uniquely shaped to fit easily into a variety of tanks; above or below the substrate. Perfect for glass; acrylic; or plastic... more

$16.49

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Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

300W in-line aquarium heater suitable for all canister filters with 5/8" flexible hosing. No danger of damage if unit is run dry for short period as the ETH will switch itself off before overheating. Heats with high efficiency and designed to avoid... more

$47.95

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Hydor ETH External Thermal Heater - In Line Heater ETH 300 - 300 Watt - (5/8" ID - 53-80 Gallon Tanks)

Hydor ETH External Thermal Heater - In Line Heater ETH 300 - 300 Watt - (5/8" ID - 53-80 Gallon Tanks)

Hydor ETH External Thermal Heater - In Line Heater ETH 300 - 300 Watt - (5/8" ID - 53-80 Gallon Tanks) more

$57.52

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Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy00036

Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy00036

200W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 26-53 gallons.Length - 12"Part #: AHY00036Item Name: Theo... more

$25.95

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Slim Heater for Bettas, Bowls and Aquariums 7.5 Watt, Oval, up to 5 gal, USA, Brand Hydor

Slim Heater for Bettas, Bowls and Aquariums 7.5 Watt, Oval, up to 5 gal, USA, Brand Hydor

7-1/2-watt Slim Heater helps guarantee your fish a healthy life by promoting the ideal water temperature. Specially designed with the innovative PTC (Positive Thermal Coefficient) element to heat the temperature of your aquarium or terrarium an average... more

$19.79

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Hydor Theo Aquarium Heater, 25 Watts

Hydor Theo Aquarium Heater, 25 Watts

New aquarium heater functioning with the exclusive PTC technology means that this heater will not break or damage when run out of the tank. Theo aquarium heater has all the necessary feature for safe and precise temperature maintenance of the water in... more

$66.63 $17.99

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Hydor Hydor Submersible Aquarium Heater: 300 Watt - 15.5 Long - (53 - 80 Gallons) #T11402 - Aquariu

Hydor Hydor Submersible Aquarium Heater: 300 Watt - 15.5 Long - (53 - 80 Gallons) #T11402 - Aquariu

Hydor Hydor Submersible Aquarium Heater: 300 Watt - 15.5 Long - (53 - 80 Gallons) #T11402 The Hydor Aquarium Heater is a submersible heater made with the exclusive PTC (Positive Thermal Coefficient) technology. This Hydor aquarium heater provides no... more

$25.60

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Hydor Theo Aquarium Heaters 300 watt

Hydor Theo Aquarium Heaters 300 watt

New aquarium heater functioning with the exclusive PTC (Positive Thermal Coefficient) technology. The first shatter-proof fish tank heater thanks to the peculiar glass tube. Free positioning in the aquarium: vertical, horizontal and completely... more

$26.99

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Hydor Hydor Submersible Aquarium Heater: 150 Watt - 12 Long - (23 - 40 Gallons) #T11602 - Aquarium

Hydor Hydor Submersible Aquarium Heater: 150 Watt - 12 Long - (23 - 40 Gallons) #T11602 - Aquarium

Hydor Hydor Submersible Aquarium Heater: 150 Watt - 12 Long - (23 - 40 Gallons) #T11602 The Hydor Aquarium Heater is a submersible heater made with the exclusive PTC (Positive Thermal Coefficient) technology. This Hydor aquarium heater provides no... more

$21.09

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"Hydor Usa Inc-Mini Aquarium Heater 15 Watt"

"Hydor Usa Inc-Mini Aquarium Heater 15 Watt"

"MINI AQUARIUM HEATERHelps to increase water temperature of mini aquariums by a few degrees, compared to room temperature.For 5-10 gallon aquariums.UPC : 841421004747Size : 15 WATTLength : 2Width : 3.25Height : 8.25Product Type : Aquatics - Heaters /... more

$9.99

FREE shipping

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Hydor Hydor Submersible Aquarium Heater: 25 Watt - 6.9 Long - (2 - 7 Gallons) #T11702 - Aquari

Hydor Hydor Submersible Aquarium Heater: 25 Watt - 6.9 Long - (2 - 7 Gallons) #T11702 - Aquari

Hydor Hydor Submersible Aquarium Heater: 25 Watt - 6.9 Long - (2 - 7 Gallons) #T11702 The Hydor Aquarium Heater is a submersible heater made with the exclusive PTC (Positive Thermal Coefficient) technology. This Hydor aquarium heater provides no... more

$17.99

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"Mini Aquarium Heater, Size: 15 WATT, UPC# 841421004747, Mfg# T10501, Free Shipping"

"Mini Aquarium Heater, Size: 15 WATT, UPC# 841421004747, Mfg# T10501, Free Shipping"

"Mini Aquarium Heater Size: 15 WATT Miscellaneous AquariamHelps to increase water temperature of mini aquariums by a few degrees, compared to room temperature.For 5-10 gallon aquariums.All items are brand new, never worn and never used. We guarantee... more

$23.80

FREE shipping

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Hydor ETH 300 Watt Submersible Heater

Hydor ETH 300 Watt Submersible Heater

Hydor ETH 300 watt Submersible Heater The handy Hydor ETH Submersible Heater is an external heater for marine and tropical aquariums. The heater is suitable for all canister filters with 5/8 flexible hosing. This heater is also equipped with an ETH... more

$75.24 $50.96

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"Hydor Theo Heater 300 Watt for 53-80 Gallons (24/Cs)"

"Hydor Theo Heater 300 Watt for 53-80 Gallons (24/Cs)"

"Theo reservoir & aquarium heaters have all the necessary features for safe and precise temperature maintenance of the water in your tank or reservoir. The exclusive technology and the high quality of the components guarantee a long lasting product. " more

$29.56

FREE shipping

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Hydor USA Eth In-Line Heater, 300 watt

Hydor USA Eth In-Line Heater, 300 watt

Features: First and unique external heater for aquariums with the exclusive PTC (Positive Thermal Coefficient) technology The self-limiting PTC heating element guarantees maximum safety against any risk of overheating The exclusive technology and the... more

$60.64

FREE shipping

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Hydor In-Line External Heater - Original ETH 300 Watt 5/8'

Hydor In-Line External Heater - Original ETH 300 Watt 5/8'

Hydor In-Line External Heater - Original ETH Size:300 Watt 5/8 ETH Heaters are the first external heaters for aquariums with the exclusive PTC technology. The self-limiting PTC heating element guarantees maximum safety against any risk of overheating.... more

$90.40

FREE shipping

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Hydor Theo Heater - Submersible Aquarium Heater - T11402

Hydor Theo Heater - Submersible Aquarium Heater - T11402

Submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. 300 Watts - 15.5" Long (53-80 Gallons) more

$27.97

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"Hydor Usa Inc-Theo Shatterproof Heater 300 Watt"

"Hydor Usa Inc-Theo Shatterproof Heater 300 Watt"

"THEO SHATTERPROOF HEATERShatterproof, safe, submersible.5.5 long.UPC : 841421000374Size : 300 WATTLength : 3.5Width : 2Height : 17.5Product Type : Aquatics - Heaters / SubmersibleShipping Dimensions: 3.5x2x17.5" more

$40.99

FREE shipping

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Hydor Theo Heater 300 watt

Hydor Theo Heater 300 watt

* Patented heating element automatically turns off if water level declines * Easy temperature adjustment - knob clicks at every degree change * Submersible heater with shatterproof glass resists breakage Patented heating film and special shatterproof... more

$29.99

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Hydor Usa Inc - Theo Shatterproof Heater 300 Watt - T11402, As Shown

Hydor Usa Inc - Theo Shatterproof Heater 300 Watt - T11402, As Shown

THEO SHATTERPROOF HEATER Shatterproof, safe, submersible. 5.5 long. UPC : 841421000374 Size : 300 WATT Length : 3.5 Width : 2 Height : 17.5 Product Type : Aquatics - Heaters / Submersible Shipping Dimensions: 3.5x2x17.5 Color: As Shown. more

$55.96

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"Theo Shatterproof Heater, Size: 300 WATT, UPC# 841421000374, Mfg# T11402, Free Shipping"

"Theo Shatterproof Heater, Size: 300 WATT, UPC# 841421000374, Mfg# T11402, Free Shipping"

"Theo Shatterproof Heater Size: 300 WATT Miscellaneous AquariamShatterproof, safe, submersible.5.5 long.All items are brand new, never worn and never used. We guarantee the authenticity of all items.Thank you for shopping at The Pet Supply Company! " more

$47.02

FREE shipping

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Hydor Theo Heater - Submersible Aquarium Heater - T11102

Hydor Theo Heater - Submersible Aquarium Heater - T11102

Submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. 50 Watts - 7" Long (5-14 Gallons) more

$21.97

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Hydor Slim Heater for Micro Tanks & Mini Aquariums - T20301

Hydor Slim Heater for Micro Tanks & Mini Aquariums - T20301

Helps increase by a few degrees Fahrenheit/Celsius the water temperature of mini aquariums compared to the room temperature where they are positioned. Aquariums 5-10 Gallons (15 Watts) more

$9.97

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Hydor Slim Fish Tank Heater 7.5 Watt

Hydor Slim Fish Tank Heater 7.5 Watt

Hydor Slim 7.5 watt aquarium heater is great for micro and mini aquariums from 2-5 gallons. The flat, oval shape allows you to place this slim fish tank heater out of sight in a variety of tanks, including glass, acrylic or plastic. It helps increase... more

$13.99

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"Hydor Theo Heater 400 Watt for 80-105 Gallons (24/Cs)"

"Hydor Theo Heater 400 Watt for 80-105 Gallons (24/Cs)"

"Theo reservoir & aquarium heaters have all the necessary features for safe and precise temperature maintenance of the water in your tank or reservoir. The exclusive technology and the high quality of the components guarantee a long lasting product. " more

$31.96

FREE shipping

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"Hydor Theo Heater 200 Watt for 26-53 Gallons (24/Cs)"

"Hydor Theo Heater 200 Watt for 26-53 Gallons (24/Cs)"

"Theo reservoir & aquarium heaters have all the necessary features for safe and precise temperature maintenance of the water in your tank or reservoir. The exclusive technology and the high quality of the components guarantee a long lasting product. " more

$26.36

FREE shipping

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"Hydor Usa Inc-Theo Shatterproof Heater- Clear 400 Watt"

"Hydor Usa Inc-Theo Shatterproof Heater- Clear 400 Watt"

"THEO SHATTERPROOF HEATERUse in aquariums up to 200 gal completely submersible.UPC : 841421003207Color : CLEARSize : 400 WATTLength : 3.5Width : 2Height : 17.5Product Type : Aquatics - Heaters / SubmersibleShipping Dimensions: 3.5x2x17.5" more

$42.99

FREE shipping

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