Gravity column manufactured from medium wall tubing with PTFE stopcock.
· Similar in design to the 420510 series
· Glass frit (40-60 micron porosity) at the lower end to act as a support for column packing material
· May be used alone or in combination with 420570 series reservoir and 420575 series flow control adapters
· Custom sizes and plastic safety coating are available upon request
· 420650-0560 has a 50/30 Spherical joint
· 420561-0430 has a Rodaviss® 24/40 Standard Taper joint (threaded in top)
· Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements