Whitmore Air Sentry Model: R102 Dimension: 5.25'' DIA x 9.5'' TALL 1'' MNPT   Specifications: Height: 9.5 in 24.1 cm Diameter: 5.2 in 13.2 cm Mounting Connection: 1" MNPT Silica Gel: 2.7 lbs 1.2 kg Maximum Adsorptions Capacity: 16.56 fl oz 489 mL Maximum Air Flow: 25 cfm Maximum Reservoir Fluid Flow: 187 gpm Type of Medium: 100% Silica Gel Uses Replacement Cartridge: A-302