Galvanized Plenum We stock pre-fabbed plenums in 3 and 4 foot lengths that SKU: PLENUM1420 EA 13.5 X 19.75 4' FLANGE PLENUM (PLENUM1420 )16.5 X 19.75 4' FLANGE PLENUM (PLENUM1720 )20"X19.75"X4' PLENUM (4PC) (PLENUM2020 )23.5"X 19.75" 4' FLANGE PLENUM (PLENUM2420 )16.5 X 20 PLENUM 4' LENGTH (PLENUM16204 )16 X 23.5" PLENUM 4'W/ END CAP (PLENUM1623 )19.5"X20"X4' PLENUM (2PC)L-SEC (PLENUM1920 )14X20 PLENUM 2 PC (1420PLENUM2P )16X20 PLENUM 2 PC (1620PLENUM2P )20X20 PLENUM 2 PC (2020PLENUM2P ) Log in to View Price
