Products name	Model	Size	Initial pressure drop(Pa)@Rated air flow(m³/h)	Velocity(m/s)
		W×H×D(mm)
Pre filter nylon filter	HHF-350-N	350×350×3	5Pa@1000CMH	0.45m/s
HEPA air filter	HHF-450-H	450×330×90	90Pa@250CMH	0.45m/s
Carbon air filter	HHF-450-C	450×330×20	50Pa@250CMH	0.45m/s
V-bank air filter	HHF-355-V	355×355×210	110Pa@350CMH	0.45m/s
Carbon HEPA air filter	HHF-350-C	350×350×45	110Pa@200CMH	0.45m/s

1. In case of specifications, structural changes, HEFIL will provide up-to-date data on website: www.hefilter.com
2. Hefil makes various other models of HHF filter not listed the above table.

HHF Household Air Purifiers

Primary nylon filter: it focuses on bigger floating particles, such as suspending particles, powder, and dust and cotton fiber. It can be washed repeatedly and is eco-friendly.

Coconut carbon filter: It uses coconut activated carbon and focuses on harmful gas like formaldehyde, benzene, TVCC. The enhanced filter can be used with the eco-friendly refrigerant together.

HEPA filter: It uses medical class filter media, passed the SGS Test Report. The imported HV filter media applies to micron particles. The enhanced filter can be used with the blue primary efficiency antibacterial fabric.

V-bank high capacity air filter: superfine fiberglass filters media, 99.99%@0.3µm; has a large filter area and air flow features, it can be used in the central ventilation system of a residence and business areas.

1) Primary Efficiency Nylon Air filter: environment-friendly ABS plastic frame, no smell, no VOC.

2) HEPA filter:  white cardboard frame

3) Carbon filter:  black cardboard frame

4) V-bank filter: white cardboard frame

Household air purifiers can be used in home interior, office, meeting room, business room, and museum exhibition room.