This Dometic 91386 Access Door is designed specifically for Atwood / Dometic 6-gallon water heaters in RVs. The door is made of high-quality materials and is painted in Arctic White to match the exterior of your RV. This access door helps protect your water heater from the elements and ensures that it stays in great working condition. Whether you are a full-time RVer or just enjoy weekend getaways, this access door is a must-have for your Atwood water heater.