1/4 inch hole plugs are used to plug 1/4 inch holes in 1/2 inch vinyl tubing. Used to plug holes when removing 1/4 inch drippers or connectors. I/2 poly end plugs are used to close off the end 1/2 inch tubing to create pressure for drippers.
Phone: (888) 258-0670 Fax: (330) 963-6701 E-mail: sales@plantlightinghydroponics.com