Gas Switch Block Version 2 Thermo Universal Fit - fits most

Universal Fit - fits most post 1990's fins

The standard conical Wrist Seals feature an 11" Mounting circumference (standard) and 1" for mounting

48 CM (width at bottom) X 39

pull down dump release or bottom air escape

It is also very efficient in dealing with marine growth and kelp

Gas Switch Block Version 2 Thermo Universal Fit - fits mostDescription: 2ea 9 16" 18(adapters) Male Inlets 1ea 3 8" 24 Female outlet Dimensions: L= 4. 25" x W= 1. 35" x H= 2. 25" Approximate Shipping Weight = 1. 0lb 6oz. Details: Now One GSB can be converted from R to L. Solid brass construction for maximum durability. Oxygen Compatible Materials and O Rings. Inlet adapters can be removed to expose 1 2" 20 female ports. Allowing for flexibility of hose attachments. (Comes as left hand mount; can be converted