Universal Stainless Adjustable Single Venturi, X Long | V12ALB Listing is for a single venturi. Extends 10" to 16" in. Fits Arkla Models : G416-35B, G416-36L, G416-37B, G416-37L, G446-34I, G446-40I, G446-40I1, GRAA, GRFF Fits Broilmaster Models : G2000DX-L