Replaces 4 Seasons 17408 / ATCO BL6106 / 35B6106. ALL FITTINGS FIT STANDARD BARRIER TYPE HOSE AND ARE BEADLOCK STYLE, REQUIRING AN A/C HOSE CRIMPING TOOL. Excellent QualityAir Conditioning, Straight Ho se Splice, #8 STANDARD (13/32" I.D. / 29/32" O.D.) Barrier Hose To #10 STANDARD (1/2" I.D. / 1" O.D.) Barrier Hose, Crimp On Fitting.