Marineland Precision Aquarium Heater, 250 Watt $8.34, 400 watt $14.71 chewy.com amazon.com

Marineland Precision Heater, 250 Watt Chewy.com $8.34 (free shipping over $49) https://www.chewy.com/marineland-...Marineland Marineland Precision Heater, 400 Watt Chewy.com $14.71 (free shipping over $49) https://www.chewy.com/marineland-...Marineland Marineland Precision Heater, 400 Watt Amazon.com $14.71 (free prime shipping) https://www.amazon.com/MarineLand...069&sr=8-1 >Usually ships within 2 to 5 weeks.