Advance 56120060 SC4000 34D Rider Floor Scrubber Three 220 Ah wet batteries, onboard charger and pad holders pump gpm 10 plus a testimony to the product's ES0740 a testimony to the product's longevity and reliability Air Exhaust Port Size (in) 3 4 Air Exhaust Port Thread Gender Female Air Exhaust Port Thread Type NPT Air Inlet Size (in) 1 2 Air Inlet Thread Gender Female Air Inlet Thread Type NPT Application Industrial Ball Material PTFE Center Section Material Polypropylene Compatible Material Antifreeze it can pass through standard sized doorways for effortless access to all vicinities in your establishment Powerfully clean your floors and reduce your water usage with this Advance SC4000 34D 34" cordless ride on floor scrubber