Security Boss SB Standard Replacement Flaps Location:Both Interior and Exterior The MagnaBox whelping box for

The MagnaBox whelping box for dogs is simple to use and to keep clean

100-percent poly fill for your precious felinemaximum comfort

Keep your pup active and healthy with the PR725

Eliminates the Need to Bury Your Boundary Wire

Make Quick

Security Boss SB Standard Replacement Flaps Location:Both Interior and Exterior The MagnaBox whelping box forThe SB Replacement Flap is clear vinyl with one or two (Depending on Size) metal strike plate riveted to each side of the flap. This strike plate is unique in shape and characteristic to the SB Standard doors. Flaps are held in place by thumbscrews (Included) that can be turned in by hand and tightened by an Allen wrench.