Hydrotek ATP40 Vacuum Arch 5 ft Water Reclaim Extraction for Hard Surfaces Requires vacuum source of 75 to 200 cfm and 2" vacuum hose. Creates a suction along cement or asphalt or any other flat surface. Water can be squeegee pushed, water bermed, or dammed or pressure washed into collection point. Hydrotek collects sales tax in California and Texas Add some optional