Upgrade your fluorescent fixtures today with our extended family of Aluminium Parabolic Louvers. These 2' x 4' Retrofit Louvers with their bold look and superior lamp obscuration of the 3" deep cell, create a dramatic appearance. It features extraordinary efficiency and light control with a low brightness accent of the ceiling. Stock finish is a non-iridescent semi-specular silver. Convert any standard recessed fluorescent fixture to a high tech, low brightness luminance. It's simple, economic and immediately available. Ideal for use with static and air handling fixtures, as well as where good lighting control is essential. Also Available in 2" Depth Size. Meets all rigid fire codes, and is excellent for new, and for retrofit high efficiency lighting applications. for Commercial & municipal buildings,Entries & corridors,Office task areas, Conference rooms,Department stores, Showrooms,Medical facilities,and Banks. Also available in 12 and 32 cell configurations. There is a minimum order of 20 pieces. Please call 631-342-8917 or email for special pricing and frieght charges.