Based on this product's specifications, here are some alternatives and similar models
Softbox Grid Elinchrom Rotagrid Deep 70 cm for studio lighting modifiers
Summary description:
Elinchrom Rotagrid Deep 70 cm is a 70 cm deep softbox grid designed to control light spill and improve beam direction for studio flash and continuous lights. The Rotagrid attaches to compatible Elinchrom modifiers to increase contrast, reduce stray light and shape highlights for portrait, product and commercial photography. It is a practical accessory for precise light control in studio setups.