Bobbin Wound Filter with Pump is designed to offer the ideal combination of energy efficiency and outstanding water clarity. A broad selection of filter sizes, pumps, and accessories allows you to choose and merchandise the systems that best suit your above-ground pool program. Pairs the innovative Pool Perfect pump with the plastic Filter, Six-position 1.5 inch. Multi-port valve. Self-priming pumps in 1.5 HP ratings. All model equipped with easy spin-on unions for plumbing hook-ups. Unionized pump and filter connections.