Available Drain Caps with Gasket Parts:
(Choose an option from drop-down menu)
(PN: A50069) Ultima II Drain Cap, with Flat Gasket, 1-3/4″
(PN: A50042) Ultima II Drain Cap with O-Ring, 1″ Old Style, for Filters 2,000 through 20,000
(PN: A50109) Ultima II Drain Cap, for 1,000 Filter
Shop Aqua Ultraviolet for all your Replacement Part needs!