Home / Pumps By Manufacturers / Pentair / Pentair STEP20-03MS1, Eff Sub Pump K 20GPM 0.5HP 5STG 115V 2W Free Shipping Pentair STEP20-03MS1, Eff Sub Pump K 20GPM 0.5HP 5STG 115V 2W$589.28 Pentair STEP20-03MS1, Eff Sub Pump K 20GPM 0.5HP 5STG 115V 2W quantity Add to cart SKU: STEP20-03MS1 Category: Pentair Description Additional information Description Eff Sub Pump K 20GPM 0.5HP 5STG 115V 2W Part #: STEP20-03MS1 Additional information Weight 24 lbs