SURESEAL 4in Trap Sealer

Inline Floor Drain Waterless Trap Sealer, 4in, More Effective than Trap Primer, Stops Floor Drain Odors, for New Construction & Retro-Fits requiring no Special Tools or Silicon, Resists Lime Scale and Microbiological Growth, 4in Drain up to 73 GPM, 10-Year Limited Warranty