PC 50 ( Pirelli) withe 40 to 42 mm filter adaptator
	The PC 50 and T 55 masks have an improved grey rubber facepiece moulding design to hold the adjusting buckles and rubber straps head harness.

 

T 55 ( Pirelli)
	The T 55 is the same mask but with the two lower head harness straps fastened on the mask by means of h