Aquatop Quartz Platinum Glass Heater 20-30 gal, 100 W

AquaTop’s Platinum Quartz Glass Heaters are fully submersible and suitable for both freshwater and marine applications. With an easy to adjust temperature setting knob, these heaters are capable of heating your water quickly and accurately from 68 to 93 degrees Fahrenheit. This fully submersible, strong quartz glass design allows for flexibility in placement. And the Quartz Platinum Heaters come with our Platinum Shield limited lifetime warranty.