Chapin Pro Plus Acid Staining Kit $20.95 Chapin Pro Plus Acid Staining Kit quantity Add to cart SKU: C65384 Category: Sprayers Description Description Part – Model #6-5384 Replacement repair kit Includes 7 o-rings, 1 spring, 1 plunger cup, 1 retaining collar and 2 bottom valves Related products Chapin 3.5-Gallon Industrial Viton Concrete Open Head Sprayer $178.59 Add to cart Chapin Chapin Replacement Viton® Bottom Valve $7.65 Add to cart Chapin 4-Gallon ProSeries Diaphragm Pump Backpack Sprayer $100.00 Add to cart Chapin Replacement Locking Nut $15.25 Add to cart