Each pump uses 2 OR 3 each , Fits pumps : H300 , H300R , H400 , H400R , HC215 , HC235 , HC240 , HC280 , HD450A , HC450R , HC460L , HC460R , HC500 , HC500R
Highlights: Overall Depth : 4.65 in Overall Height : 21.93 in Overall Width : 4.06 in Usage : For Hard Surfaces and Scrubbing Concrete, Pool Areas, Steps and Hard to Reach Areas, Cleaning Stairs, Patios, Facades, Garages, Walls or garden Walls, Driveways, Paths Suitable for Use With : K 2 CCK, K 2 CHK, K 2 Compact, K 2