The 1/4" Vinyl Couplers are an excellent tool for expanding a Drip Irrigation System. You can use them to connect two pieces of the 1/4" Vinyl Tubing, attach the Vinyl to the 1/2" Poly Tubing, or to repair a cut in the Vinyl. (15 Couplers Per Bag) Availability: Usually ships in 5-7 business days. MLT-BXB$5.45