How much does this cost to the nearest dollar?

Essential Portable Water Deionizer DI Resin w Custom Hose, Long Lasting 300 Gallons, 3/4 Fittings, Provides Deionized Water on Demand for Mobile Spot Free Car Washing
PORTABLE WATER DEIONIZER FOR A NO SPOT WASH - This RV water Deionizer is pre-assembled and features a 3/4 High Flow port and a grain capacity for up to 300+ gallons of deionized water; ready to go, no electricity required. With low maintenance and easy installation, a 5 year old could do it. SAVE MONEY ON DI WATER BY MAKING YOUR OWN - DI water is more expensive than regular water and has a higher solids) compared to a regular softener. With your own portable water deionizer you can

Price is $270.00
Price: $269.95