ifilters 0.5 micron high purity coconut shell activated carbon block water filter | 750 gpd capacity | compatible with frescapure 4000, 4500, 5000, 6000 & infinity systems models is up for auction in Home & Kitchen. The current bid is $1.00, 98% below the $49.46 MSRP, in New/Like New condition. Bid on this item at our Georgetown - Triport Road location before the auction closes.