Large Exhaust Flapper With Clamp | Sierra 18-4458 Exhaust protector valve mounts on the outside of 5 in. & 6 in. exhaust tip to prevent backflow of water into the exhaust.
Large Exhaust Flapper With Clamp | Sierra 18-4458 Exhaust protector valve mounts on the outside of 5 in. & 6 in. exhaust tip to prevent backflow of water into the exhaust.