General description Compatible with Riccar R25S, Riccar R25D, and Riccar R25P upright vacuum cleaners, these HEPA vacuum cleaner bags effectively filter 99.97% of dirt, pollen, dust, and dander particles that are 0.3 microns or larger. Regular replacement of the vacuum cleaner bag is recommended every 1 to 2 months, depending on the working environment and frequency of use. Technical specifications Material: Non-woven fabric Color: Photo color Included: 10 vacuum bags Measurement allowed error: +/- 1-3 cm Installation Easy to install: simply place the bag in the bag compartment and close the lid over the bag opening. Usage Regularly change the vacuum cleaner bag for optimal performance.