New ORIGINAL OEM DIANA AIR RIFLE leather SEAL for piston :

DIANA 25

DIANA 27

DIANA original replacement  OEM part ( include parts 16/2+16/3+16/4+16/5)

+ one barrel seal for Diana 25, 27

Quantity = 1 piston seal + 1 barrel seal

this products could be good for different brand AIR RIFLE (DIANA, MILBRO, RWS, GECADO,... look your model compatibility).

DON'T LOOSE POWER AND ACCURACY, REPLACE YOUR seal