One way valve. Fits Nilfisk Advance Micromatic 13E
Fits Nilfisk Advance 9097277000 (alt # 9097277000)Replaces
Nilfisk Advance 9097277000 Fits
Aftermarket Tennant 1037821 Dust Panel Filter
Broke with in 10 minutes of use. Would like a new one or my money back
Nilfisk Advance 1470851500 Extension Tube