dimension (mm)
A. connectiong thread (tap side): G1/2 OR other size
B. connectiong thread (shower side): G1/2 OR other size
C. outside hose outer diameter: 13mm or other size
D. inside hose outer diameter: 9mm or 7mm
E. inside hose material: PVC or EPDM
F. outside hose material : stainless steel or alumium