11238 Filter Regulator for O500 July 24, 2020 $170.00 11238 Filter Regulator for O500 quantity Add to Cart Category: Parts Description Resources Description The 11238 filter regulator is 1/4″ npt and set to 38 psi for use in the O500 (retired) paint gun washer. Related products 11345 Filter Regulator (replaces T17M) $170.00 Add to Cart 54P1 Plastic Nozzle $15.00 Add to Cart 12129 Manifold Assembly for G100, O500 $272.00 Add to Cart 13835 Inner Filter Bags $74.00 Add to Cart