Challenger 2-1/2 and 3 HP Diffuser filter-length_31 1/8 inches Refer to product instructions on

Refer to product instructions on bottle and attached in Product Files

This is a Stenner Metal Reduction Gear (44 Rpm) designed for the Classic 85 and 170 Series pumps

The cup anchors are precision cast from corrosion resistant brass

coordination

Challenger 2-1/2 and 3 HP Diffuser filter-length_31 1/8 inches Refer to product instructions onThis is a Pentair Diffuser for the WaterFall Model AF 75, AFP 75 Waterfalls, 2 HP Full Rated Thru 3 HP Up Rated Challenger High Pressure Pumps. It is also used on 2 HP Full Rated and 2 1 2 HP Up Rated pumps built prior to 10 1 92. Must replace both the Diffuser #355545 and the Impeller #355604.