With inner joint at bottom, one #7 Ace-Thred and one 10/18 outer joint, offset at the top. Threaded opening will accept 6.5 to 7mm dia. thermometers, bleed tubes, etc. The 24/25 medium length joint is compatible with a full length 24/40 joint.
Supplied complete with 5029-10 Nylon bushing and FETFE O-Ring. For extra O-Rings, order 7855-704.