For best results

The flange measures 3 inches in diameter and is 1/8 of an inch thick

Bradley S52-137 Slipjoint ADAptor Asm- O-Ring Replacement Part

and can run at slow speeds without overheating

tubing and all connections are certified to NSF standards

Dayton 1/150 HP C-Frame Motor, Shaded Pole, 2800 RPM, 120 Voltage,Frame Non-Standard - 4M210E Mounting-Surface Mounted For best resultsThis DAYTON C frame motor is mechanically reversible by just inverting the rotor. Model is ideal for use in small fans and blowers found in bathroom ventilators, range hoods, electric heaters, hair dryers, slide projectors, air cleaners, humidifiers, and refrigeration equipment.,Mounting: two #8 32 studs on 1 7 8" OC,OEM replacement with 2 prong plug