Trident Nitrox Green Tank Knob

At Divers Supply you can take advantage of our 60/120 day return policy. You may order just about anything, Inspect the equipment when it arrives, and if you're not fully satisfied you can return it for a full refund (less the shipping charge, for items which we offer free shipping the original shipping savings associated with the returned item(s) will be deducted), as long as you haven't used it. We won't even ask why you've changed your mind.

No restocking fee and no questions asked (provided it has not been used). Items returned within 60 days of date of invoice, will get full refund less S/H charges, Items returned between 60-120 days of date of invoice, will get a full store credit less S/H charges.

To return an item, just follow link below.
Return Merchandise Form

Questions about this item?

Ask us anything, or share you feedback. Our Staff is friendly and knowledgeable and always here to help! We are committed to earning your business with excellent service and prices. Divers Supply has been in business for over 40 years and is always working to give you the best SCUBA gear and equipment at the very lowest prices possible. So chat with one of our Experts and let us help get you into the best gear at the best price!

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So, you know what you want but you're on a budget? Or, you've found a lower price somewhere else? Don't worry, we have you covered.

Divers Supply is always working to give you the best SCUBA gear and equipment at the very lowest prices possible. With that, we guarantee to beat any authorized dealers price for the same product!

Another goal of Divers Supply is to fit all of the equipment you need inside your budget. We can not guarantee we can accomplish this, but we will always give it a shot!

Follow the steps below to submit your quote:

1. Add Product(s) to your cart, once all of your products are in the cart, choose to view and edit your cart.
2. In the cart click "Request a quote" and follow the proceeding instructions.
3. In the comments sections, tell us what you would like to pay for the product(s) in your cart. (Please add comments in the cart, ex. I found a better price at)
4. Submit the request and we will notify you as soon as possible; Monday - Friday.

We want to make sure we've done everything possible to get you the products you need within your budget. If you found a lower price on an identical item, tell us where.

Add a note with any special requests, shipping instructions, or important product details.