Opening/closing flaps prevents outside elements from entering the vent. UV inhibitor is used to help prevent the premature fading of vent. 4" Brown plastic louvered vent with 11" tail pipe, 4" Brown plastic trim plate.
1-1/4 J-Bend Brass
3/8M Flat Faucet Washer
1-3/8 Sink Stopper
Bottom Seal for PP 3H-10 Stem