Manufacturer: Whelen
MODELDESCRIPTION
SP4**** 43.125", 4 Amber, Blue, Red and/or White
SP8****48.5", 4 Amber, Blue, Red and/or White
SP2**** 54", 4 Amber, Blue, Red and/or White

Replace " * " symbol in model number with letter indicating lens color or LED color desired: A = Amber; B = Blue; C = Clear/White; R = Red; G = Green