� Model Number: 2921141210 � Brand: SpeckThe Speck Generic Replacement O-ring is designed for use with Speck pump pool lid O-ring models 90/S90. If your pool pump is sucking air and spitting it back into the pool through the inlets, you probably have an air leak, which can ultimately cause equipment damage, less efficient filtration, and possibly other problems, as well. Made of high-quality rubber, this pool replacement O-ring fits tightly to stop leaks and protect your pool equipment.