A Plus 24 Inch Vacuum Recovery Surface Cleaner dougruckerstore I've never found the need

I've never found the need to meter soap

like pulsation or feel like your not getting the proper water flow out of your gun

You cen even use it on brick and limestone

Flow Pro Bypass Kit

Using to much surfactant can actually slow the cleaning

A Plus 24 Inch Vacuum Recovery Surface Cleaner dougruckerstore I've never found the needThe A Plus 24 Inch Vacuum Recovery Surface Cleaner with the added Venturi pump water recovery system and a 16 water recovery hose that allows you to recover water without the need of a vacuum unit. Effectively transfers water and small debris (smaller than 3mm) to a drain or tank. A+ Surface Cleaner Quick Specs Does not require vacuum for suction Requires at least 3. 0 GPM and 2000 PSI 16 foot water recovery hose Stainless steel housing and handle