How much does this cost to the nearest dollar?

iSpring 500 GPD Tankless RO System Replacement Filter Set, 2-year Supply, White
What's included 4 pieces of 5 micron sediment filters With only a five micron rating, it is effective in removing dirt, rust and sand particles. 4 pieces of granular activated carbon (GAC) filters Adsorbs chlorine, halide, organic contaminants, odors, and other impurities that contribute to bad taste and odor. 4 pieces of 5 micron carbon block filters Removes any remaining chlorine and organic chemicals. Further enhances the taste of water. 1 piece of 500GPD Dual-Flow reverse osmosis membrane A thin film composite (TFC) high quality membrane that processes 500 gallons per day at a 1 1 waste ratio, best

Price is $278.00
Price: $278.29