How much does this cost to the nearest dollar?

Huining Reverse Osmosis Membrane RO Membrane Housing Kit with 1/4 Quick Connector,Check valve,Water Pipe,Wrench Whole Set for Residential Household Hospital Water Filtration System
Universal Size Fits most 3, 4, 5, 6 and 7 stage residential RO filtration systems with flow restrictions rated at 50 gallons per day. RO membrane size 11.75” X 1.75”, RO membrane housing size universal compatiable 2.0 inch. Food-grade Filtration Effectively removes impurities down to Daily water purifying capacity reaches 50GPD at 95% rejection rate. Durable Construction Manufactured with FRP（Fiber Reinforced Polypropylene) and ABS, thicker constructed, the membrane housing provides better pressure res

Price is $28.00
Price: $27.77