Pump is made to order, please expect a 4-6 week lead time Series 20 3:1 Stainless Steel Pump. For pumping synthetic hydraulic oil, antifreeze or corrosive products. Pump may be coupled to stand pipe, mounted with bracket and suction kit or pump tube extension may be added for bung mounting to bulk tank. 2.5-gallon per minute free delivery. Pump tube constructed of 316 stainless steel and features Teflon packings, air inlet 1/4 in. NPT(f), material outlet 1/2 in. NPT(f) comes with air coupler and plug, and product check assembly (100-84147-9).