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Doggit
Ahh, yes, I've just done a few searches, and Honeywell markets it as Grade 2, and others grade 1.
Well it seems to work okay, but as I said earlier, I'd be interested to move up a bit - even to what you consider is a grade 2.
Well it seems to work okay, but as I said earlier, I'd be interested to move up a bit - even to what you consider is a grade 2.