OPTI-MAX® Outlet Cartridge Check Valve, 1/8" Ruby Ball & Sapphire Seat, SS Cartridge, Perkin-Elmer Model 250, Series 4, 200, 400, 410, 620, Integral 4000 6357-Silica (L3) A must for accurate quantification

A must for accurate quantification in cannabis potency testing and chemovar ID

Flow Cytometry

Various particle sizes are available

Superior non-setting formulation

Increased temperature stability

OPTI-MAX® Outlet Cartridge Check Valve, 1/8" Ruby Ball & Sapphire Seat, SS Cartridge, Perkin-Elmer Model 250, Series 4, 200, 400, 410, 620, Integral 4000 6357-Silica (L3) A must for accurate quantificationIncludes OPTI MAX check valve housing and cartridge Ruby sapphire recommended for strong acidic mobile phases. Ceramic recommended for acetonitrile applications Stainless steel body offers high mechanical strength Ball and seat set is individually matched ensuring optimal performance Features Free Turn