Restek, 26489-5, Resprep PPT3 96-Well Plate, Square Well, 2 mL, 5-pk.

Features & Benefits
Polypropylene protein precipitation (PPT) 96-well plates offer highly efficient >99% protein removal.
Minimum 24-hour drip-free feature for easy in-well protein precipitation—no fear of backflushing or contamination.
Built-in dual-layer membrane with different porosities in each layer prohibits clogging and speeds filtration.
Solvent-first method streamlines sample preparation.
2.0 mL deep well—suitable for mixing by vortex or pipette.
3-way versatility for filtration—compatible with all common devices:
Vacuum manifold
Positive pressure manifold
Centrifugation
Can also be used to increase throughput in general filtration applications.