The core of The PREMIER LINE is the ESHOPPS INTELLIGENT DESIGN (EID) Technology and it features 5 advancements specific to our proprietary skimmer designs. At the heart is an innovative bubble plate called EDDY™. The EDDY™ Bubble Plate is a groundbreaking design, incorporating blades that allow for increased contact time with finer bubbles. The EDDY™ Bubble Plate has an easy twist release mechanism for convenience of assembly or disassembly. Additional key EID components include: Twist-Off Base, Quick Release Pump Lock, Transparent Venturi, and a Large Capacity Collection Cup. The new PREMIER LINE of S-Series Skimmers simply packs complex engineering into an elegant design.