This is the R40 DELUXE Filter Set not the R40 Premium or R40P filter Set.  Double check your model. 

Help keep your R40 Deluxe series vacuum cleaning at its best and removing odors. This deluxe replacement filter set for Riccar model R40 Deluxe captures odors, protects the motor from dust and filters the exhaust air to keep dust, dander and other particles out of the air.

This replacement filter set fits the Radiance R40 series models R40D and R40. Filters included in this premium set include:

• 1 Pleated HEPA media filter
• 1 Charcoal filter
• 1 Direct air motor filter.

Looking for Filter Set for R40 Premium or R40P model see part # RF40G
These filters do not fit RAD or RADP models. See part #: RF9U-1.