UN-Rated Foam Set for one half-pint paint can (ring required)

UN-rated foam set for use with R-6-12-1/2PPT boxes for one (1) half-pint paint can and R-6-48-00PS1/2 ring (sold separately). ONE (1) FOAM SET AND ONE RING REQUIRED PER CAN. UN rating 4G/Y16/S. NOTE: SHIPPER IS RESPONSIBLE FOR FINAL CLOSURE OF ALL UN4G RATED PACKAGING.