Feature 1Compatibility: The filter is specially manufactured for TigerShark, for SharkVac and for AquaVac robot swimming pool and bathtub cleaning robots 2Thick Filter Material: The pool clarifier filter is made of plastic frame and thick filter material, which can withstand rough and frequent use, as well as a large amount of dirt and debris 33 Layer Swimming Pool and Spa Filter: We have designed a 3 layer thick pool and spa vacuum filter, which can absorb as much debris, and dirt as possible from your swimming pool. 4Washable: These swimming pool and hot tub cleaning filters can be cleaned after each use. Just use the electric washing machine or hose on our swimming pool filter to prepare for your next use. 5Swimming Pool Accessories: Specially manufactured for a series of Hayward swimming pool vacuum robot models, so you can reduce the time, energy and cost of necessary outdoor swimming pool maintenance. It is an excellent swimming pool accessorySpecificationItem Type: Robotic Pool Cleaner FiltersProduct Material: PP, PET, Activated CarbonWeight:548g / 19.33ozProduct Size:292x169x12mm / 11.5x6.7x0.5in .Package List4 x Pool Cleaner Filters