Greenhouse Coolair Power Tube FanMaintain optimal temperatures and air quality in your greenhouse with the Coolair Power Tube Fan. This powerful and precise HVAC solution uses a pressurized polyethylene tube to distribute low-velocity tempered air from a Power Tube Fan throughout your growing space. With its efficient and effective design, the Coolair Power Tube Fan is the perfect choice for greenhouse growers who demand consistent and reliable performance. Learn more about this innovative solution and start enjoying healthier, more productive crops today.SKU: J01-SWF-copy-copy A03PTF 12 in. 1/6hp [+$729.00] 18 in. 1/3hp [+$950.00] 24 in. 1/3hp [+$995.00] 30 in. 1/2hp [+$1,150.00] 30 in. 1hp [+$1,198.00] Option 115V-1PH 230V-1PH 230V-3PH $0.00 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendProduct DetailsConstructed of heavy gauge steel.Air straightener vanes for efficient air distribution.Totally enclosed heavy-duty motor with sealed ball bearings.Propellers have six steel die-formed blades.Belt-driven models have two sealed, lifetime lubricated, oversized shaft bearings.12" or 18" direct drive; 24" or 30" belt driven SpecificationsFan Performance SpecificationsModel No.Type FanCFMMotor HPTube SizeWeightPTF112F17Direct Drive12501/61260PTFA18H16Direct Drive36501/31972PTFB24HBelt Drive48501/325120PTFB30JBelt Drive75501/230150PTFB30LBelt Drive10450130155Additional InformationThermostatHow-to-Wire for Heater OR FansGreenhouse Fan Size CalculatorGreenhouse Fan Size CalculatorGreenhouse Length: feet Greenhouse Width: feet Greenhouse Height: feet Air Exchange Rate (changes per minute): Desired Temperature (°F): Outside Temperature (°F): CalculateGreenhouse volume: cubic feetRequired air flow rate: cubic feet per minuteHeat loss: BTUs per hourFan power: Watts