Survivair Panther (1997-style) Bid Specifications, Rev. 3
The lens shall be coated on the outside and inside surfaces to help prevent abrasion. The lens shall be secured in the facepiece by a durable plastic retainer. ... If the first stage regulator is Panther-style, it shall: ... The backplate shall incorporate a friction pad in the tank band area to help keep the cylinder in the proper position. ................
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