Type B: It is suitable for air conditioning holes and openings with shutters, with ventilation function. Ordinary organic such as acids and alkalis have little influence on it and can be used in dishes.
PATIKIL 120mm Fan Filter Grill, 6 Pcs Plastic Ventilation Dustproof Grill Cover Cooling Ventilator with Screws for Industry Workshop Computer Case Refrigerators Air Conditioning, Black
PATIKIL 150mm Fan Filter Grill, 3 Pcs Plastic Ventilation Dustproof Grill Cover Cooling Ventilator with Screws for Industry Workshop Computer Case Refrigerators Air Conditioning, Black
sourcing map 4010 Fan 40mm x 10mm 1-3/5 Inch 5V Small Plastic Cooling Fan 2 Pin for Computer PC Case CPU Heatsink 3D Printer Desktop Cooling Server(1 PCS)
PATIKIL 90mm Fan Filter Grill, 6 Pcs Plastic Ventilation Dustproof Grill Cover Cooling Ventilator with Screws for Industry Workshop Computer Case Refrigerators Air Conditioning, Black
PATIKIL 110mm Fan Filter Grill, 6 Pcs Plastic Ventilation Dustproof Grill Cover Cooling Ventilator with Screws for Industry Workshop Computer Case Refrigerators Air Conditioning, Black
PATIKIL 120mm Fan Filter Grill, 12 Pcs Plastic Ventilation Dustproof Grill Cover Cooling Ventilator with Screws for Industry Workshop Computer Case Refrigerators Air Conditioning, Black