Product Name: High Quality PVC Poultry Shed Air Inlet Ventilation Window Model NO.: SMY-53 Certification: CE, CCC Installation: Inlet Venetian-Style Air Layers: Single Type: Venetian-Style Outlet Usage: for Air Conditioner Material: ABS Quality: High Quality Power Source: Electric Cooling Method: Indirect Cooling Condition: New Trademark: SMY Transport Package: Carton Packing Specification: customization Origin: Qingdao China HS Code: 8414609090 Product Description High Quality PVC Poultry Shed Air Inlet Ventilation Window1.Made of excellent quality engineering plastic by injection molding, higher density and more firmly.2. With UV resistant additive, air inlet has stronger anti-aging ability, longer service life, better sealing, flexible opening, with anti-bird nets.3. Dimension: Front size 600*325*160mm back size 550*260*160mm4. Double spring ensures excellent sealing.5. Guide Wheel base adopts stainless steel holder not rust;