Using ultra-fine fiberglass filter paper, it is made by combining multiple non partition filter elements and strictly sealing them, with efficiency covering F7 to H13. It has the characteristics of large filtration area, low resistance, long service life
| Outer frame | Galvanized frame/stainless steel/aluminum frame | 
| sealant | PU polyurethane adhesive | 
| sealing rubber strip | EVA/PU | 
| partition | Hot melt adhesive | 
| Optional thickness (mm) | 220/292, etc | 
| Using the highest temperature | 70℃ | 
| External dimensions | Frame body | filter area | Rated air volume | Rated initial resistance at different efficiencies | Suggested final resistance | 
备注:不同风速下,阻力值不同。特殊尺寸规格可依据客户要求定制
| ASHRAE52.2 | EN779 | 
| MERV14 | F8 | 
| MERV15 | F9-E10 | 
| MERV16 | E11-E12 | 
| MERV17-18 | H13 | 
| MERV19-20 | H14 | 

