Original seal for Holt and Allen brand hatches, part numbers HT.337 or A.337. This seal is positioned on the outside of the flange fixed to the support. Once screwed in, the hatch seals properly with the seal on the outside.
Original seal for Holt and Allen brand hatches, part numbers HT.337 or A.337. This seal is positioned on the outside of the flange fixed to the support. Once screwed in, the hatch seals properly with the seal on the outside.