COMPATIBILITY - This skimmer adapter works with most Summer Waves models. It is compatible with 1.25-inch or 1.5-inch hose connections on RP or RX filtration systems, as well as existing floating skimmer pool adapters. 【 NOTE】: It is not compatible with indexed air intakes. It is not compatible with Summer Waves 14' x 48', 16' x 48', and 24' pools and Polygroup Summer Waves pool filters. Optimal Cleaning Performance - This skimmer attachment connects directly to the skimmer basket, maximizing the cleaning efficiency of your pool vacuum. Using the skimmer system's suction power, this attachment effectively removes debris from the pool surface, keeping your pool clean and beautiful. The RP/RX Skimmer Accessory simplifies your daily cleaning routine. STURDY AND DURABLE - This Summer Waves vacuum skimmer adapter is designed to connect to your RP or RX filtration system and is made from high-quality materials. It comes with two O-rings for a tighter connection, allowing your skimmer to