Image Round Hole Bottom Skimmer Markets Agriculture & Forestry, Construction Jump to Section Product Options Related Products Product Options Part Number Thread Thread Size Material DSB20 NPSM 1-1/2" Zinc Plated Steel DSB25 NPSM 2" Zinc Plated Steel DSB35 NPSM 3" Zinc Plated Steel Related Products Image King Combination Nipple NPT Threaded End No Knurl Image King Short Shank Suction Complete Coupling NPSM Image King Short Shank Suction Female Coupling NPSM Image Long Thin Round Hole Strainer Image Square Hole Strainer Image Round Hole Top Skimmer