Insta-Plumb by Keeney is the newest push fit technology for undersink tubular drainage. No solvents, glues or nuts and washer, a simple push fit application for traps, drains and couplings. Insta-Plumb™ tubular products feature a stainless steel grip ring that holds the connection tight and an O-ring that provides a leak-free seal, you can install with confidence. Our tubular program makes it faster and easier to install than conventional slip nuts and washers or glue. The Insta-Plumb line of push fit technology for undersink tubular drainage now includes 1-1/4 in fittings for under sink bathroom drainage, along with a line extension of 1-1/2 in fittings including dishwasher tailpieces and garbage disposal kits.