3x Washer replacement for CO2Art Pro-Series Regulators
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nice quality !
Just what I needed. I have enough supply (ordered two packets) to last me quite a while. Thank you again CO2Art!
This is by far the best aquarium co2 regulator for the money. Just stop wasting money on unknown brands and go for this. Trust me, you will not be disappointed. Delivery also was spot on time.
very good quality!