Customer Reviews

Fits perfect
by Kim on 6/23/2021
As others have mentioned, it is silly to throw away a perfectly good snorkel just because the valve is worn. So thankful you guys had this and for reasonable price! It is for my old SeaQuest Side Draft and fits perfectly. I measured the old one first to make sure. Also, quick delivery and the company is very informative too!
IST Silicone valve
by Garrick on 3/3/2020
Ordered 5 of these, size was not indicated when I ordered. They are 8 mm too small for my exhaust valves. I wish I new what size these were before I ordered. Instructor Bill: To IST's defense these are for the following snorkels and masks: For the snorkels: SN1, SN20,SN26 & SN50. Also for the following masks: M11 & M12
silicone exhaust valve
by dennis matsumura on 11/9/2017
had a hard time finding a replacement locally all the dive shops said time to get a new mask. found this online with a reasonable price but wasn't offered free shipping so paid $5. and some change which seemed a little high for the size of item. easy to put in arrived quickly and works really well.
Exactly as ordered
by Joelle Rudenick Brown on 8/6/2017
Exactly what I ordered, fast shipping, adequate price. Moreover, unavailable for the price anywhere online, surprisingly; amazon's cheapest vendor requested over $10 for the same product. It should not cost that much to replace a small valve. I really did not want to throw my son's snorkel because someone pulled the valve out.
IST Silicone Exhaust Valve
by G.A.Geane on 8/2/2017
Ordered this item to fix my mask, and it was shipped quickly and fit perfect. It took less then 30 seconds to fix.
IST Silicone Exhaust Valve
by Keith Boileau on 9/6/2016
This product works perfectly. Great price, fast shipping, perfect fit. Thanks.

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