East topChromatic Harmonica, 12-Hole 48-Tone Key of C, ABS Comb, Phosphor Bronze Reed, Blue Cover (EAP-12)

How can I get easttop 16 hole, A scale with blue cover cromatic harmonica?

How is this different from the black cover eap-12 version asin: b08bhzxjpd ? is the only difference the covers?

What is the difference between king dream 12 hole and the advanced east top upgrade chromatic harmonica 12 hole 48 tone key of c

Are the windsaver valves an improvement over the older models?