Sm48-80, 48" Diameter, 13.4 Sq Ft, 268 Gpm, 3" Valve Ports
Price: Discontinued by Manufacturer
Sm42-80, 42" Diameter, 9.83 Sq Ft, 197 Gpm, 3" Valve Ports
Price: $2,415.47
Multiport Valve & Piping Assembly, fits all HRV and SM Series Filters
Price: $204.51
E500 Top Mount Media Filter, 20" diameter, 42 GPM, 50 psi, w/multiport valve
Price: $446.45
E600 Top Mount Media Filter, 24" diameter, 60 GPM, 50 psi, w/multiport valve
Price: $532.69