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The Westwood S90-68 Blower Wheel is a high-quality component designed for efficient air movement in HVAC systems
and any situation where large flare nuts must be torqued precisely—especially in tight or obstructed areas where standard sockets will not fit
Service replacement where Monarch HO spray pattern and 45° spray angle are specified
Temperature Rating: 55°C
controlled torque application with minimal hand fatigue
Hole Saw - 4-1/8" (102 mm) Bi-Metal Hole Saw - Malco The Westwood S90-68 Blower WheelHSB4125 Malco 4 1 8" (102 mm) Bi Metal Hole Saw The Malco HSB4125 4 1 8" (102 mm) Bi Metal Hole Saw is engineered for clean, controlled cutting in larger diameter applications. Designed for HVAC, electrical, plumbing, and general construction professionals, it delivers smooth, accurate holes for duct penetrations, equipment clearances, and heavy duty rough ins. A high speed steel cutting edge paired with a variable tooth pitch allows the HSB4125 to