Dimensions (L x W x H): 26 x 16 x 4 cm Weight: 164 g Material: microfleece / cardboard Colour: white Replacement cycle: every 6 - 12 months Compatible with the following device models: Honeywell HPA-300 (3x) Honeywell HPA-204 (2x) Replaces the following original accessories: Honeywell HRF-R2 Honeywell HRF-R3 .