Home Slickdeals Amazon & Chewy: Fluval E 300-watt Advanced Electronic Heater – $41.99... Slickdeals [Aquarium Deal] Amazon & Chewy: Fluval E 300-watt Advanced Electronic Heater – $41.99 or potentially less By ARCOM - 1 March 2018 213 0 SHARE Facebook Twitter Go to the deal page: [Aquarium Deal] Amazon & Chewy: Fluval E 300-watt Advanced Electronic Heater – $41.99 or potentially less