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The BSC PREFERRED PB3935 is a reclosable poly bag designed for parts storage, packaging, and organization in trade and industrial environments. The single-track zipper runs the full width of the bag, creating a secure closure that protects contents from moisture and contamination. A large white write-on block printed directly on the bag surface allows technicians to mark part numbers, dates, or job information with a standard pen, eliminating the need for separate labels. These bags meet FDA and USDA requirements, making them suitable for applications where food-grade or regulated storage compliance is required. Sold in cases of 1000 units.
The PB3935 is suited for HVAC, plumbing, electrical, and pool service operations where small parts, fittings, fasteners, or components need to be stored, labeled, and protected during transport or on the job. The reclosable design allows bags to be reused across multiple service calls or restocking cycles. The write-on block is particularly useful in shop or warehouse environments where quick part identification reduces picking errors. All dimensions listed represent inside usable dimensions of the bag.
Designed as a general-purpose reclosable poly bag for parts packaging and storage applications across trade industries. This product is equivalent to part number S-1905.
No tools or trade licensing required for use. Store bags flat in a cool, dry location away from direct sunlight to preserve the zipper seal integrity. Mark the write-on block before inserting parts to avoid smearing. Do not use bags to store materials that exceed rated FDA or USDA application categories without confirming suitability for the specific contents.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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