Single Grille * FK-2 monolayers Grille * Ding positive industrial technology design and production of single-Grille commonly used in air conditioning systems. Single Grille adjustable up and down direction, return air filter in combination with air, segments angle can be adjusted between the leaves have ABS plastic mounting bracket. Fixed filter removed during cleaning the filter on by the slide, after cleaning and then continue to use the slide pushed. Single Grille features are as follows: 1, single adjustable blade, available different distances and different air diffusion angle 2, can be used as return air inlet and outlet 3, 4 optional aluminum or iron production for the outlet When used in conjunction respectively with valve 5, when the return air can be made to open architecture, used in conjunction with the screen.