18x30x4 (17.75 x 29.75 x 3.75) MERV 13 Tier1 Grille Filter Flatrate45_99 the 2404 provides the additional

the 2404 provides the additional data you need

The 3MROP412-20A 3M Under Sink Reverse Osmosis Replacement Water Filter Cartridge is a replacement cartridge for the 3MRO401 and 3MRO501 Under Sink RO Systems

At a rating or MERV 13

or information included with your product for a full list of instructions)

The 3M Aqua-Pure AP110-2 water filter is for use with many 3M Aqua-Pure whole house water filtration systems that use 19-1/2 inch by 2-1/2 inch water filters

18x30x4 (17.75 x 29.75 x 3.75) MERV 13 Tier1 Grille Filter Flatrate45_99 the 2404 provides the additionalOur Tier1 air filter grilles are constructed to ensure air to flow effortlessly between your ventilation systems and your interior rooms. The filters are easy to replace, and larger media capacity provides highly efficient dust particle capture. Nominal size 18 x 30 x 4 inches. Actual size 17 3 4 x 29 3 4 x 3 3 4 inches. No assembly required, the filter should easily slide right in! Improve your overall air quality and circulation in your home with a