Suitable for e.g Walbro WA and WT carburetors. Dolmar 109, 111, 115, PS-430, PS-410, PS-540, PS-43, PS-52 Echo CS3600, CS3900, CS440EVL, SRM202, SRM302, SRM4600, GT160 Efco MT4400, MT4100SP, MT3700, MT2600, MT440, 132, 136, 137, 140S, 141SP, 146 Husqvarna 555FX, 345FX, 245RX, 244RX, 240R, 235R, 232R, 55, 51, 50 Rancher, 50, 45, 40, 39R, 36, 33 Jonsered 370, 450, 490, 590, GR2032, GR2036, GR36 Makita DCS -430 Oleo-Mac 932, 936, 940, 940C Partner 360, P400, B405, B450, P450, 500, 5000, 5500, R39, R40 Stihl 009, 010, 011, 020, 021, 023, 024, 025, 026, 028, 032, FS50, FS106, FS250 Tanaka TBC160, TBC162, TBC262, TBC322, TED232, THT162, THT262 Note! Brand and model compatibility only applies to the models in question with a Walbron WA or WT carburettor, several models also have options from Walbron, Zama and Tillotson carburettor models, always ensure compatibility according to the carburettor brand and model. Note! In the 2018 production batch, there was a defective glass fiber membrane, the factory was aware of the problem and for this reason it was also packed the same film as PFT Teflon (=clear, transparent film), if the fiberglass film is defective, use a Teflon film.