Quote Originally Posted by Fox Tales View Post
Thanks for the reply , strange that the burst washer is on the low pressure side . On a dive air cylinder it would be before the valve .
The reason I asked was if fitting a smaller carbon buddy bottle you could retain the shot count .
I couldn't find one on Aliexpress , but had a nosey on Best fittings to get an idea of price , something for the future.

@Alan's , cheers that's good to know . 3/4 of a tin before a refill is quite impressive.

Thanks guys .
A very quick search
https://m.aliexpress.com/item/100500...%21rec%21UK%21

The burst disc ends up low pressure side once regulator is fitted