Sell Stainless Steel Wall Ceiling Round Air Vent Grille Cover Ventilation Ducting best price

Description: Stainless steel ventilation grilles. Installed in the outside wall, prevent the pest in the room through stainless steel net. Keep indoor and outdoor air circulation. Material: Stainless Steel Color: Silver Specification: Installation methods: 1. Bore between inner wall and outer wall. 2. Put this product into the round hole on the outside wall, for more solid, can be attached with glue or cement. 3. Within the wall can be fixed ventilation duct (this product is not suitable for indoor installation, choose the new outlet): Stainless steel spherical outlet (shallow mouth). Size Chart: 80mm Size: 118 x 35 mm / 4.65 x 1.38 inch; Fit for 75mm(2.95'') hole size 120mm Size: 140 x 40 mm / 5.51 x 1.57 inch; Fit for 115mm(4.53'') hole size 70mm Size: 116 x 35 mm / 4.57 x 1.38 inch; Fit for 65mm(2.56'') hole size 100mm Size: 140 x 43 mm / 5.51 x 1.69 inch; Fit for 95mm(3.74'') hole size Package Includes: 1 Piece Round Air Vent Grille