Subject:
Possible damage to emergency valve P/N 550-140

Products Affected:
Any Kirby Morgan^® helmets or masks incorporating a side block or manifold block, or separate manifold block assembly.

Subject:
Product Change to KMB 18 & 28 BandMask^® Hoods

Products Affected:
All KMB BandMasks^®

Subject:
Regulator Change

Products Affected:
Kirby Morgan^® KMB 28B BandMasks^® Manufactured after July, 2004

Subject:
New Kirby Morgan^® Air Control System 5

Products Affected:
The KMACS 5 replaces the DCS 2-A which has been discontinued

Subject:
New Tri-Valve^® Exhaust Kit Part # 525-752 and (525-755 (SL 27^® only))

 Products Affected:
All Kirby Morgan^® SuperLite^® Helmets and KMB BandMasks^®

Subject:
Quad Valve™ Exhaust (KMDSI Part #525-759)

Products Affected:
All Kirby Morgan^® SuperLite^® 17A/B Helmets and KM 57/57