NEST Scientific 503761 - 2.2 mL 96-Well Deep Well Plate, I-Shaped, U-Bottom, Square Well 12 Well Using gravity in addition to

Using gravity in addition to being cost effective also is gentler on cells than mechanical pumps

Vacuum stoppering minimizes rubber stopper deformation and helps preserve surface coatings on the stoppers

DNase free

Not sure if they will work

The multifunction caps offer additional parts to improve on the simpler bi-directional design:

NEST Scientific 503761 - 2.2 mL 96-Well Deep Well Plate, I-Shaped, U-Bottom, Square Well 12 Well Using gravity in addition toProduct Details: NEST Scientific 503761 5 per pack, 50 per case 96 well E beam sterilized and lot tested to SAL 10^ 6 USP Grade VI virgin polypropylene Round wells U bottom I Shaped Other Product Information: 2. 2mL or 2200L per well SBS American Standards (ANSI) (ANSI SBS 1 2004) suitable for automation Suitable for use from 80C to 121C lot tested Autoclavable lot tested Max centrifuge speed 4,000xg RCF lot tested Clear alphanumeric codes for easy