Filter for Inflatable Spa Type S1 - 2 PiecesEnhanced Filter = Improved FiltrationWe offer a modern, replaceable cartridge filter type S1. This paper filter features micro openings that capture fine impurities. This model stands out with its thicker, heavier paper and a greater number of folds.Remember to regularly replace the filter! The filter can be easily cleaned by removing it and washing it under high pressure, for example, using a garden hose. If the filter is heavily worn or dirty, it should be replaced with a new one.Installing the cartridge in the pump is very easy, and the manufacturer includes an instruction manual with the set. To extend the life of your pump, always choose original filters from the manufacturer!Technical Specifications:Compatible with pumps: 28404, 28422, 28424 Filter type: Paper Filter model: Type S1 Quantity: 2 pieces Weight: 0.28 kg Product code: 29001