The Filter Cartridges are designed to filter more particles for improved pool filtration. It is recommended to change seasonally or yearly depending on location and debris load. Our replacement drive belts are identical in design and dimensions to part number RCX23002. This part is compatible with Hayward Aquavac TigerShark, TigerShark Plus, Hayward Aquavac TigerShark QC, and ShakVac Pool Cleaner models. AR-PRO guarantees replacement parts will fit correctly and last a long time. Premium Heavy Duty Rubber Pool Cleaner Parts – The quality and manufacturing of a replacement part directly affects its longevity. These replacement Hayward pool cleaner drive belts are made from high-quality, heavy-duty solid rubber. High manufacturing standards ensure that these replacement drive belts last up to 50% longer. Soft Tread Drive Belts – Designed for maximum traction, these soft tread drive belts will not leave scratches on pool surfaces and are suitable for fiberglass, gunite, pebble, tile, and vinyl pool surfaces. Drive belt part No. RCX23002 Filter Cartridge part No. RCX70101 Compatible with Hayward TigerShark, TigerShark QC, TigerShark Plus, and SharkVAC Pool Cleaners Fit for Hayward RC9950 TigerShark Hayward RC9950CUB TigerShark Hayward RC9955CUB TigerShark Hayward RC9950GR TigerShark Hayward RC9956GRCC TigerShark Hayward RC9990CUB 2 Pack Filter Cartridges Replacement Compatible with Hayward Robotic in-ground Pool Cleaners AquaVac, TigerShark, and SharkVac Pool Cleaners Part Number: RCX70101PAK2 RCX70101 pool filter cartridge fits model Tiger Shark rc9990gr rc36000qc rc9950 rc9952 rc9742 rc4702 w3rc9740cub Sharkvac rc9740 Color: Photo Color Material: plastic + rubber Package Contents: 2x drive belt 2x filter Only the above package content, other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.