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Amazon.com : CORISRX 150w/300w/500w in-Line External Heater Aquarium Heater - 150/300/500 WATT 1/2",5/8" (Applied to Both Sizes) (Black 300 Watt 5/8",1/2" Hose) : Pet Supplies
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150w/300w/500w In-Line External Heater AQUARIUM HEATER - 150/300/500 WATT 1/2"-5/8" (500 Watt 1/2"(12/16mm) Hose) - Walmart.com
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Amazon.com: 150w/300w/500w in-Line External Heater Aquarium Heater - 150/300/500 WATT 1/2"-5/8" (500 Watt 1/2"(12/16mm) Hose) : Pet Supplies
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150w/300w/500w In-Line External Heater AQUARIUM HEATER - 150/300/500 WATT 1/2"-5/8" (500 Watt 1/2"(12/16mm) Hose) - Walmart.com
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150w/300w/500w In-Line External Heater AQUARIUM HEATER - 150/300/500 WATT 1/2"-5/8" (500 Watt 1/2"(12/16mm) Hose) - Walmart.com
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