Durable and sturdy, the Fogatti RV Tankless Water Heater Door is made of galvanized steel. Professionally designed, this waterproof door prevents mosquitoes from entering your water heater. Anti-Bump â The doors come with sturdy hinges to tame the bumps of the journey. Application â If you are replacing your Atwood 6-gallon water heater with a Fogatti RV Water Heater, please install with this product. Easy Installation â The flush-mount door is pulled tight against the sidewall, giving it a neater appearance and reducing the possibility of leaks. SpecsDoor Size: 15" x 15"Color: BlackApplication: For Fogatti 42, 000 and 55, 000 BTU RV Water Heaters Sturdy hinges tame the bumps of the journey Flush-mount door is pulled tight against sidewall for a neater appearance For Fogatti 42, 000 & 55, 000 BTU RV water heaters | Fogatti RV Tankless Water Heater Door, 15" x 15", Black