Silicone stopper and sealer for Ultraviolet Light Water Purifier Whole House Sterilizer Normal 0 false false false EN-US X-NONE X-NONE Product Description: Silicone stopper and sealer for Ultraviolet Light Water Purifier Whole House Sterilizer 1 & 12 GPMUse to seal Quartz Sleeve 7/8” in diameter1 Silicone stopper1 Silicone sealer