Hydor ETH In-Line Heater - 200W 5/8"
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Hydor

ETH Heaters are the first external heaters for aquariums with the exclusive PTC technology. Designed to be used on return lines coming from canister filters or sumps. Suitable for fresh or marine aquariums. 5/8in. hose barb.  Works on tanks between 26-53 gallons.