Belts for Hoover models and several competitive models. 2 belts per blister package. No. 40201030: Type: 30, Outer Diameter: 4-3/8", For Use With: Power Drive, Concept One & PowerMax, Pkg Qty: 2, Package Type: Bag No. 40201045: Outer Diameter: 2-9/32", For Use With: Model No. S3530 & most Power Nozzle, Pkg Qty: 2, Package Type: Bag No. 40201049: Outer Diameter: 2-7/8", For Use With: Power Drive, Concept One, & Power Max, Pkg Qty: 2, Package Type: Bag No. 40201050: Outer Diameter: 4-7/32", For Use With: Dial-A-Matic, Pkg Qty: 2, Package Type: Bag No. 40201160: Outer Diameter: 5-7/8", For Use With: WindTunnel, Pkg Qty: 2, Package Type: Bag No. 40201170: Outer Diameter: 3-3/4", For Use With: WindTunnel, Pkg Qty: 2, Package Type: Bag No. 40201190: For Use With: Fold Away, Elite, & Soft Light, Pkg Qty: 2, Package Type: Bag No. 40201200: For Use With: WindTunnel upright, Pkg Qty: 2, Package Type: Bag No. AH20065: For Use With: WindTunnel T-series, Pkg Qty: 2, Package Type: Bag