Speciality:

1. The material is coarse filter cotton. Large dust holding ,small resistance;

2. Metal frame, easily replace;

3. Conform to European and American classification for nonflammability (e.g. DIN 53438-F1, UL900 class 2 with flameout)

4. The moisture-proof may reach 100%;

5. Temp. resistance :80℃.

Using:

1. Pre-filtration and second filtration for the ventilation system of the air condition;

2. The filtration for entering or returning the air in the clean room.

Ramark:

Wide variety of sizes and thickness