Washable coarse filters also called pre-filters designed for protecting next stage air filters (Medium filters, Fine filters). Normally it should be replaced or washed each 3~4 weeks.
Synthetic fibres are widely used as filter media. Electret is also preferred for higher efficiency and same pressure drop. It will not 100% same performance as brand new once washing.
Detailed information:
Type: Washable
Frame material: Galvanized sheet, Anodised extruded aluminum
Protective net: one side, both sides, or no need
Filter media: Synthetic fibre
Filter class: G1~G4 (ISO16890, EN779)
Initial resistance: 20 ~ 70 Pa
Standard size: 220 x 220mm,610 x 305mm, 450 x 450mm
Standard depth: 10/12/15mm
Benefits of production:
1. Environment friendly
2. Washable
3. Easy installation
Benefits of our factory:
1. Clean workshop
2. Skilled workers
3. Buyer can monitor working schedule in real time via mobile phone
