Features: prevent sand and dust from entering . Excellent Pleated V Filter paper. Extend Working Life. reduce the pollution to the environment. recommend replacing the filters every quarter for optimal performance. Description: Length 5 inch Width 2 1/2 inch Height 1 3/4 inch Condition:New Installation Position: Filter Assembly Function:Filter Impurities And Keep Installation Mode: Direct Replacement Rerlaces Part Number 277-32611-07 20A-32636-00 277-32619-17 277-32619-18 277-32606-18 100-854 058-001 20020002 21551200 156759 Fits: For EX13, EX17, EX21, SP170 and SP210 For WM130 and WM170 Material: plastic colour: black + silver Package Contents: 1 x Air Filter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.