Mini Adapter 24/40-24/25
With inner joint at bottom, two #7 Ace-Threds and one outer joint at top. Ace-Threds would commonly be used for thermometers and gas inlet tubes thus leaving joint for condenser, addition funnel, still head, etc. 24/25 medium length joint is compatible with 24/40 full length joint.
Supplied complete with two 5029-10 Nylon bushings and FETFE O-Rings. For extra O-Rings, order 7855-704.