The Flow Star Skimmer with Flush Face 4'' Extension, Float Assembly, Basket, Lid, and Collar is engineered for peak performance in both residential and commercial pools. It supports water flow rates from 15 to 90 GPM, featuring a flush face design for enhanced skimming efficiency.Meeting NSF 50 and SPS 3 standards, this skimmer is versatile for various pool types with its adjustable collar and new weir clip lock for secured operation. The large, self-contained basket has a lock-in feature to prevent floating, and underwater dampers are added to the faceplate for noise reduction, particularly beneficial on windy days. The robust construction includes a super strong engineered polymer upper housing and extra heavy-duty PVC lower unit, eliminating the need for transitional glue. Its connection versatility is highlighted by 2½" outside slip and 2" inside slip for the skimmer, alongside 2" threads for inside pressure testing. Installation is made easy with a 1" built-in overflow or fill line knock-out and pre-cut rebar cutouts. The skimmer is UV tested for durability, with optional custom name/logo engraving available for bulk orders.