An earlier conical mouth piece is available and can be delivered with the G.R.A.S. 44AA/ 44AB Mouth Simulator for users who require it, e.g. for historical reasons. It comes without the four holes for mounting the lip ring.
Quality & Warranty
G.R.A.S. accessories are made of stainless steel, alloys and high-quality composites. These items are covered by a 2 year warranty respecting their intended use.
On consumables like batteries, cables and windscreen we offer a 6 month warranty.