The Elinchrom Rotagrid for Rotalux (35.5 x 43") is an "eggcrate" grid that attaches to the front of the Rotalux 35.5 x 43" (90 x 110 cm) softbox. The Rotagrid is a combination external diffuser and grid that reduces the spread of the light beam and gives you sharper shadows.

For Rotalux 35.5 x 43" softbox

Combination external diffuser and grid

Reduces the spread of light and gives you sharper shadows