Item No.DescriptionCFMCarbon lbsFilter lbsDimensions 701000 Phresh Filter 4" x 8"150 2.6 lbs 3.8 lbs 8" x 7.25" OD 701003 Phresh Filter 4" x 12" 200 4.3 lbs 6.3 lbs 12.25" x 7.25" OD 701004 Phresh Filter 4" x 20" (Lo-Pro) 125 2.9 lbs 5.1 lbs 20" x 5.3" OD 701005 Phresh Filter 6" x 16" 400 9.0 lbs 12.6 lbs 16" x 9.5" OD 701010 Phresh Filter 6" x 24" 550 14.1 lbs 16.5 lbs 24" x 9.5" OD 701015 Phresh Filter 8" x 24" 750 17.7 lbs 21.1 lbs 24" x 10.5" OD 701018 Phresh Filter 8" x 39" 950 30.6 lbs 37.4 lbs 39.5" x 10.5" OD 701020 Phresh Filter 10" x 24" 850 21.0 lbs 25.9 lbs 24" x 10.5" OD 701025 Phresh Filter 10" x 39" 1400 36.4 lbs 41.9 lbs 39.5" x 13.5" OD 701028 Phresh Filter 12" x 24" 950 18.9 lbs 27.5 lbs 23.6" x 15.5" OD 701030 Phresh Filter 12" x 39" 1700 42.6 lbs 53.5 lbs 39.5" x 15.5" OD 701033 Phresh Filter 12" x 48" 2200 40.1 lbs 55.2 lbs 47.2" x 15.5" OD 701035 Phresh Filter 14" x 39" 2100 48.3 lbs 60.9 lbs 39.5" x 17.5" OD 701040 Phresh Filter 14" x 48" 2500 58.6 lbs 72.1 lbs 48" x 17.5" OD 701045 Phresh Filter 14" x 50" (XL) 3800 75.3 lbs 97.0 lbs 50.5" x 19" OD