AR50-SP Diaphragm Pump AR30-SP Diaphragm Pump 1″ Black Mesh Strainer – 20 1″ 2 Hole Flange Bearing 1-1/4″ PVC Threaded Ball Valve Ag Solution Master (Gas) Ag Solution Master (gas) Ag Solution Master (Electric) – 1 HP, 3 Ag Solution Master (Electric) – 1 HP, 1 Ag Solution Master (Electric)