Most of the Oreck uprights on the market take the Type CC bags. You can tell right away by how your bag fits into the machine. You will have a plastic frame inside the outer cloth bag that you slide the cardboard on the paper vacuum bag in order to lock it into place. The older XL models did not have this frame. The frame should actually say CC right on the molded plactic frame.
Oreck CCPK8DW Type CC Celoc Hypo-Allergenic Vacuum Bags w/SaniSeal Closure. Fits Oreck Bag Dock Models XL21-600ECC, XL21-600ECB, Xl2000HH, XL2000RH, XL2000RS, XL2100HH, XL2100RH, XL2100RS, XL2200RS, XL2300RS, XL2400RS, XL2500RH, XL2600HH, XL2700HH, XL2800H2B, XL2800H2W, XL3600HH, XL3600RH, XL3610HH, XL3800H2B, XL3900H2B, XL3910H2B, XL3600HH, XL3600RH, XL3610HH, XL3640HH, XL3800H2B, XL3900H2B, XL3910H2B, U3640RH, U3700HH, U3710HH, U3720HG, U3720HR, U3760HH, U3980H2B, U3990H2B, U4080H2B, U4080H2R, U4080H2Y, U4090H2B, U4090H2G, U4090H2T, U4090H2P Uprights w/Bag Dock.(CCPK8DW)
XL21-600ECC, XL21-600ECB, XL21-700ECC, XL21-700ECB, XL21-700ECP, XL21-700ECT, XL21-750ECB,XL21-750ECT,XL21-780EYB, XL21-780EYM
Platinum Series Units: U7000ECR, U7000ECB, U7000ECP, U7100ECB
Pilot Series Units: U7200ECB, U7300ECB, U7220ECS
Power Team: U7050ECB, U7010ECS
Gold Professional Series: U7060ECS, U7020ECBS
Silver Series Upright: U3770HH, U3771HH
Fits: ProPower Plus (Sold at Costco)
Fits all Oreck vacuums since 1997: Oreck Classic, Silver, Gold, Platinum, Pilot, plus older models including Deluxe and XL21. Fits 2000, 3000, 4000, 8000, and 9000 series.
Replaces OEM# PK20008DW