This item works very well at good price.
Aftermarket Tennant 1005302, In-Line Filter Assembly
Vacuum Hose. 2.0 ID X 25.50 IN. Fits Nilfisk Advance ET600, Clarke Bext Pro 400H.
Fits Nilfisk Advance 56105367 (alt # 56105367)This part is listed as fitting the following models: