Ridgid VT2561 Genuine OEM Plastic Filter Nut and Drain Cap Kit for Pre-2010 Ridgid Wet / Dry Vacuums KEEPS YOUR VACUUM IN WORKING ORDER: Without your nut in working order, your vacuum is less likely to work at maximum strength WORKS WITH PRE-2010 RIDGID WET DRY VACS that have a threaded stud and drain installed, like the WD12701 or WD19560 QWIKLOCK COMPATIBILITY: Non Qwiklock filters can attach to Qwik Lock cages with the filter nut EASY INSTALLATION: No tools necessary; simply screw the filter nut onto the filter cage bolt to have it ready to go as soon as you need it STURDY PLASTIC CONSTRUCTION keeps these fasteners lightweight and intact for industrial applications