Product Description

Material: Gavlnized steel DX*1 D+Z **5 and Gavlnized steel DX*1 D+Z *0 are avaliable 

Size:**0x*0MM,**0X**0MM;**0X**0MM;**0X**0MM;**0X**0MM;**0X**0MM;**0X**0MM.

Gasktet: cellular sponge gasket

Locking Knob color:red and blue color are avaliable.

Bolts/nuts:Mild steel and Zn coating.

Installation: 1. Stick self adhesive template on to duct
              2. Cut out aperture (there is a tolerance of *3mm)
              3. Install door by unscrewing the hand knobs with top of bolt. Using both hands to place the door in the hole at an angle, turn straight and pull out slightly to align, then tighten knobs.

Packing: a template is provide with each door + one pc in one plastic bag+ carton case + pallet


The air condition cross flow is the major part of heat recovery ventilator. Because the different temperature between the fresh air and exhaust air, the air is forced to crossover through the air to air core, the heat would transfer from the hotter side to the colder side, so as to recover the energy from exhaust air.Two airstream never come into direct contact,make sure no cross contamination.

Feature
1. Adopt antiseptic hydrophilic aluminium, resistant to corrosion, with long service life.
2. Module structure, no use of rivets or screws.
3. No running components, low maintenance cost.
4. Suitable for washing with water or neutral detergent.
5. Extremly high strength and pressure related stability.
6. Compact structure, small volume, suitable for various occasions