1/Outside Frame with metal or dampproof and water-resistant wooden cardboard, light weight, facility installation, smooth finish appearance.
2/The inner filter material are pressed with complex frame or adhesive technology to ensure the tightness and leakage protection
3/All inner metal parts are treated by galvanization or spray coating to prevent the corrosion to all metal parts.
4/The air exhaust surface of non-Woven Fabrics filter material treated by skin rolling to prevent the break of non woven fiber that will cause to second pollution
5/The filter material of metal frame are easy to replace and clean, repeated use of the frame will be available to save the air conditioner's operation cost.
6/With Iow preliminary resistance, large dust holding capacity
7/The filter material can be specified by customers, there are available from no- woven fabrics, puff fibre glass materials, plastics net or metal net