Sealey lances and brushes for pressure washers sealey pwa04 a rotary brush from sealey with durable gear operated 150mm rotary brush the inner brush is propelled via water flow while the fixed brush on the outside prevents excess water spray soft bristles are safe to use on most surfaces suitable for model nos pw2200 and pw2500 sealey pwa04 rotary brush for pw2200 amp pw2500