RV Magnetic Door Catch 2 Pcs Lawn & Patio The gravity inlet hatch is

The gravity inlet hatch is made of food-grade ABS

Pressure: 80 Lbs /363

Pre-drilled hole plates make it really convenient for different size conduit connectors

3 Inch is for Water Heater: Atwood furnace vent models 2540

then stick it to the repairing area and use the included scraper to press all edges and corners to make sure it bond tightly to the underbelly

RV Magnetic Door Catch 2 Pcs Lawn & Patio The gravity inlet hatch isPowerful Magnet: Our magnetic door catch features powerful magnetic force that can hold your doors opening even in strong winds. When opening the door back and forth in and out, it can avoid the door handle bumping against the wall, protecting the door and wall. Sturdy & Durable: RVGUARD magnetic baggage door catch is made of premium silicone and metal. It is durable and equipped with strong magnetism so that you can say goodbye to replace frequently.