All-in-One RV Door Window with Sliding Shade - 15.7" x 24.7" rug and 12-gallon water heater vents

and 12-gallon water heater vents and fits most battery vents

and more comfortable environment

use scissors to cut the new seal to the length you need

and release the pressure in the tank

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

All-in-One RV Door Window with Sliding Shade - 15.7" x 24.7" rug and 12-gallon water heater ventsAll in One RV Window Kit: RVGUARD RV window is built with impact resistant ASA frame and integrated construction for superior stability & long lasting durability. Exterior size 15 3 4" x 1 25 32" x 24 23 32", complete with tempered glass, sliding curtain, cord, and mounting screws. One piece RV window shade replacement eliminates the need to source or match separate parts, instantly fixing leaks, poor sealing, aging, and unstable operation in one