Stage Equipment & Lighting
Stairville Barndoor for PAR 20 BK
Stairville Barndoor for PAR 20 BK, Barndoor, For PAR 20 black, With 4 adjustable barndoor leaves, Size: 8.8 x 8.8 cm, Ø Light hole: 5.9 cm
https://www.bizrate.co.uk/stagelightingequipment/stairville-barndoor-for-par-20-oid561445484.html