Horizon Industries Patent Pending pump motor covers are designed to be the best covers on the market. Research and development by top industry professionals have produced a truly superior product at a great value! This pump cover will protect your pump motor from the rain and sun, reducing the surface temperature by an average of 15 Degrees. Keeps pump cool: White PVC reflects heat from the sun and 6 vent holes provide airflow. Low profile design prevents interference with piping. The back of the cover is enclosed half way. The bottom half is open to allow for electrical conduit and air flow. Pool pumps, Sprinkler pumps, Jet pumps, Well pumps.