The crossover 90° is designed to give a 90° crossover joint.
MK Crossover 90° 20 NB (26.9mm OD)
MK Crossover 90° 25 NB (33.7mm OD)
MK Crossover 90° 32 NB (42.4mm OD)
MK Crossover 90° 40 NB (48.3mm OD)
MK Crossover 90° 40(t) - 25(b) NB (48.3mm(t) - 33.7mm(b) OD)
MK Crossover 90° 40(t) - 32(b) NB (48.3mm(t) - 42.4mm(b) OD)
MK Crossover 90° 50 NB (60.3mm OD)
MK Crossover 90° 50(t) - 40(b) NB (60.3mm(t) - 48.3mm(b) OD)