Trident 17 lb Transparent Composite Propane Cylinder | Marine & RV
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Trident 17 lb Transparent Composite Propane Cylinder – Marine & RV
Know exactly how much propane you have left — at a glance. This 17 lb composite cylinder from Trident is built from high-strength fiberglass that lets you see the propane level through the sidewall without gauges, tapping, or weighing. Lighter than steel and completely rust-proof, it’s a smart upgrade for any boat or RV propane system.
Manufactured to DOT and TC specifications with an OPD Type 1 valve for safe, compliant use. Maintenance-free construction means no painting, no rust treatment, and no corrosion to manage season after season.
Features
- Transparent fiberglass construction — see your propane level without gauges or tools
- Lighter than equivalent steel cylinders
- Rust-proof and corrosion-free — no maintenance required
- OPD Type 1 valve included
- Manufactured to DOT and TC specifications
- Suitable for marine and RV applications
- Dimensions are approximate — verify fit before installation
Parts Desk Insights
Best suited for boaters upgrading from steel cylinders who want to eliminate rust and see their fuel level without removing the cylinder from the locker. The 17 lb size is the ideal composite match for the Trident Single 20 lb LPG Cylinder Locker and Trident Dual 20 lb LPG Cylinder Locker, both of which are designed to accept 17 lb composite or 20 lb steel cylinders. If you need more capacity, also available in 22 lb and 11 lb sizes. Browse our full Propane & Accessories range for regulators, hoses, and fittings.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.