+3 Air Compressor filter [foam donut] for 2000S G4 & Classic SKU 01-100207S 5,70 € In stock Quantity: 1 Add to Bag Product Details STATIM Air filters Both Air filters should be changed every 500 cycles or every six months (whichever is first) Call for service if wet. Parts number: 01-100207S Air filter (foam donut) 01-102119S Biological air filter (external clear plastic) Don't forget the cassette seals! Save this product for later Favorite Shop the STATIM.US store if you are in the United States