303 Protectant Aerospace Protectant

Priced: $15.99 Rated:   - 5 stars out of 5 by 18 reviews.
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303 Protectant Aerospace Protectant -
Powerful UV-screening treatment protects vinyl, rubber, Hypalon, urethane, gelcoat, fiberglass, Lexan and sailcloth. Repels dust, dirt and water spots. Non-oily finish. No harmful silicone oils, petroleum distillates or waxes. Nontoxic, environmentally safe. Pint and quart sizes include sprayer.
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303 Protectant

303 Protectant Aerospace Protectant Reviews:

Positive Reviews:

1000 + Uses!!!

The only reason I gave this four stars instead of five stars is that I believe the consumer could benefit from a slightly "Stronger Formula" as the product is very thin and pricey. It does go quite a way, but there could be a richer formula that would go farther! Just my opinion!
Crooked Hook at WestMarine.com on 02/02/2011

This puts the silicone ...

This puts the silicone based protectants to shame. I have no concerns using 303 on anything that is vinyl, plastic, fiberglass or rubber, especially if it is subject to sun exposure
Scott Kelley at WestMarine.com on 08/08/2000


A must use product to avoid outdoor sun fabrics degradation do to more UV radiation compared to previous years. A must have for inflatable boats specially if pvc or polyurethane.
Locozodiac at WestMarine.com on 02/02/2011

303 Aerospace Protectant

I use 303 protectant on my vinyl boat seats to protect them from UV light. It also gives the vinyl a sheen I've not had with other products.
Dave at WestMarine.com on 09/09/2013

Great Product

This product came highly recommended from multiple people. The clean/protected feel of the seats was very pleasing and I am certain it will protect my vinyl well.
KW at WestMarine.com on 11/11/2011

Vinyl's best friend

I use this on all vinyl seats monthly, and on eisenglass every week. protects from UV and keeps everything shiny.
Ed at WestMarine.com on 03/03/2011


Brings life back to gelcoat after buffing, and kayak plastic and anything you would use armor all on.
Ed at WestMarine.com on 10/10/2011

greatest product ever for plastic/rubber

this product soaks in and protects the surface molecules. Gives the surface a new look, not "shiny"!
jeffyboy at WestMarine.com on 09/09/2011

Great protection!

Zep seams to clean stains better, but 303 is by far the best protectant I have found.
Bk at WestMarine.com on 02/02/2011

Good Protection

Very good protectant. Not as slippery as silicone based products. Expensive, but very good.
PK at WestMarine.com on 01/01/2011

Neutral Reviews:

about the best spray ...

about the best spray protectant on the market for now.
Rit at WestMarine.com on 06/06/2001