4 Inch 1.5mm Thick Stainless Exhaust Rain Cap with Silicone Seal Flapper Exhaust Flapper Cap for Truck Generator Stack

Product Overview Made of premium SUS304 stainless steel, this exhaust rain cap delivers outstanding rust and salt spray resistance, excellent high-temperature tolerance, and stable mechanical performance — suitable for long-term outdoor and coastal working conditions. It features simple clamp-on installation, firm fixation, and a low failure rate, greatly extending the service life of exhaust and muffler assemblies while cutting maintenance costs. Multiple inch sizes are