Photo 1 of PERCOLA AP917HD-S Water Filter, Compatible with Aqua-Pure® AP917HD-S Whole House Sediment/CTO Filter Cartridge for 3M® Aqua-Pure® AP904 System, W/Scale Inhibitor (1 Pack)

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Photo 1 of PERCOLA AP917HD-S Water Filter, Compatible with Aqua-Pure® AP917HD-S Whole House Sediment/CTO Filter Cartridge for 3M® Aqua-Pure® AP904 System, W/Scale Inhibitor (1 Pack)Photo 2 of PERCOLA AP917HD-S Water Filter, Compatible with Aqua-Pure® AP917HD-S Whole House Sediment/CTO Filter Cartridge for 3M® Aqua-Pure® AP904 System, W/Scale Inhibitor (1 Pack)