Colony Plaque Screen Neutral Membrane Disks by PerkinElmer, Inc.
These disks of GeneScreen membrane are precut for use in plaque hybridization protocols and bacterial colony screenings.
Able to withstand rough treatment, they won't shrink, crack, or tear, and provide:
Precise alignment using convenient orientation holes
Easy, tear-resistant removal with nylon lift tabs
Complete lifts: disks fit right to the edge of the plate