We can make custom size gasket using this style
G5804 37 1/2" x 76" OD , Door Gasket , 4 sides , Compression Style, Gray NRE # 307401
G5804 'e' Compression Gasket , by the foot NRE #307403
G5804 34 5/8" x 79 3/4" OD , Door Gasket , Screw Mounted Compression, 4 sides, NRE# 307407
G5804 32" x 77.5" OD , Door Gasket , 4 sides , Compression Style, Gray NRE # 307402
G5804 22 3/4" x 59" OD , Door Gasket , Screw Mounted Compression, 4 sides, NRE # 100289
G5804 24" x 66", Door Gasket, 4 sided , Compression, Screw Mounted, NRE # 072080
G5804 35-1/2" x 79" OD , Door Gasket , Screw Mounted Compression, , NRE# 307404
G5804 13 1/2" x 19 1/2" OD , Door Gasket , Screw Mounted Compression, 4 sides, NRE# 100945
G5804 20" x 25" OD , Door Gasket , Screw Mounted Compression, 4 sides, NRE# 100946
G5804 24-1/2" x 61" , Door Gasket , Screw Mounted Compression, 4 sides, NRE# 032711
G5804 24-1/2" x 29-3/4" , Door Gasket , Screw Mounted Compression, 4 sides, NRE# 032742
G5804 19-5/8" x 55-1/8" , Door Gasket , Screw Mounted Compression, 4 sides, NRE# 307405
G5804 19-5/8" x 26-1/4" OD , Door Gasket , Screw Mounted Compression, 4 sides, NRE# 307406
G5804 31-3/8" x 73 1/2" OD , Door Gasket, Compression style, 4 sides, NRE # 054450