DOUBLE CONTAINMENT DROP-IN LINER
DuoBear® Box Liner
Maximum Liner Strength
Double Barrier Protection 
Benefits of a bonded lining with easy drop-in installation
Reliable drop-in liner that protects against corrosion
To provide double liner strength, this drop-in liner features 3/16” thick Koroseal® PVC shell and our molded corner inserts (U.S. Pat. No. 8,133,345) welded together by our state-of-the-art N-FUZE® thermoplastic welding machine (U.S. Pat. No. 8,133,345 & 9,278,478) and finished with an LFP Teflon® skirt. This liner provides all the advantages of bonded linings with the ease of drop-in liner installation.
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