Benefits of the #29 Valved Laminar Path allows for you to isolate the joint for your receiving flask and change the receiving flask without having to open your entire short path system to the atmosphere. With this option, simply lower the PTFE valve and then unscrew the GL cap to release the vacuum and quickly change your flask.

Comes complete with 24/40 Stopper, all necessary keck clips, (3) GL14s (1 cap) and choice of #24/40 KF25 adapter. As always, Summit uses 100% best quality glass blanks that are THICKER and built BEYOND STANDARDS made right here in the USA. Our glassware is made specifically for efficiency and durability. Summit provides the quality of lab equipment that you deserve.

Summit recommends all users of any and all glassware to operate inside a ventilated fume hood with sufficient blast shields to prevent injury in case of fatigued glass failure. Summit is not responsible or liable for the result of any failures from use, and/or loss of subsequent hardware contamination/failure with or without the result of material loss or damaged caused to surroundings. By purchasing our premiere lines of laboratory glassware the user is responsible to operate in the recommended environment safely. We recommend all users to operate in a legal and licensed facility where safety is the number 1 goal. #29 Valved Laminar Path