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The BSC PREFERRED 36128 is a corrugated flat-pack shipping box sold in a pack of 20 units. Designed as an industry-standard carton, this box ships and stores flat, reducing storage footprint in warehouses, stockrooms, and service vans. The corrugated construction provides structural rigidity for protecting parts and materials in transit. This pack is a common choice for distributors, contractors, and facilities teams that need reliable, consistent packaging without bulk storage overhead. Each pack contains 20 boxes, and the pack itself weighs approximately 28.66 pounds.
This box is suited for general-purpose shipping and storage applications across supply, distribution, and trade service environments. The flat-pack format makes it practical for job sites and stockrooms where space is at a premium. It is an equivalent replacement for part number S-21566, making it a direct drop-in for operations already sourcing that specification.
Equivalent replacement for part number S-21566. Suitable for general corrugated box applications in packaging and shipping operations.
No tools or trade licensing required for assembly. Unfold boxes on a clean, flat surface before loading. Do not overload beyond the rated capacity of the corrugated wall structure. Store flat in a dry location to maintain box integrity prior to use.
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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