The Voker Holding Tank Vent Filter New Installation Kit (1-1/2") is an affordable way to easily upgrade your vessel with odor-eliminating equipment. This filter effectively eliminates holding tank odors expelled through your vessel's holding tank vent. The kit includes: (1) Voker Filter (1-1/2"), (2) Stainless steel hose clamps, (2) Plastic hose barb swivels, (2) Mounting brackets & (2) Stainless steel screws. Comparable to the Sanigard 309310003 and Trionic TFA150 1-1/2" vent hose filter installation kits.