Parafilm M PM999 All-Purpose Laboratory Film, 4" x 250' on 1" Core

Description

🧪 Seal your science with confidence—Parafilm M, the lab’s invisible guardian!

Parafilm M PM999 is a 4-inch wide, 250-foot long semi-transparent laboratory sealing film known for its exceptional stretchability (up to 200% at room temperature) and self-adhesive properties. Designed to protect samples from environmental contaminants including air, gases, and various chemicals, it features interlined rolls to prevent sticking and withstands repeated folding and twisting without rupturing, making it an essential tool for professional labs.