Is the cap area large enough to refil the cans? I have a 5L can of dinitrol and so if cans were tefillable i could just pour into the cans.

Yes - these cans are for the Schultz system I believe it’s called and you connect them to an air hose. The top unscrews and you can see see straight inside , no baffles. A bit larger than the top of a plastic milk bottle. It’s rather thick stuff so difficult to pour but possible if you warm it first

does this come with flexible wand for the spray nozzle

No it does not as the product will not go through the wand

Does this need a air pump? If so, can a electric tyre pump be used?

You will need a portable air compressor designed to be used with air tools, a tyre pump will not work. This product is available in aerosol form as well. It's a great product I've used it to protect the chassis of a land rover defender. Can be messy to use though, keep it off your skin, difficult to remove.

Can this be brushed on?

Yes can be brushed on stand the tin in hot water first

Rejel 3 X Dinitrol 4941 Underbody Chassis Rust Proofing Black

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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KSh48790

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Sold byAmazon KenyaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Shield your ride with pro-grade rust proofing—because your vehicle deserves the best!

SELF HEALING ARMOR - The robust universal film repairs minor damages on its own, ensuring continuous protection without constant reapplication.
TRUSTED OEM QUALITY - Manufactured by DINITROL, a leader in protective coatings, ensuring reliability and peace of mind.
ULTIMATE RUST DEFENSE - Protect your vehicle’s underbody with a tough, elastic wax that fights corrosion and abrasion even in extreme conditions.
VERSATILE INDUSTRIAL STRENGTH - Not just for cars—ideal for spare parts, machines, and steel structures exposed to harsh environments.
PROFESSIONAL GRADE APPLICATION - Designed for use with a 6 Bar compressor and spraygun, delivering a flawless, factory-quality finish every time.

REJEL 3 x DINITROL 4941 is a premium underbody rust proofing kit featuring a 1-litre black wax coating and spraygun. It forms a durable, elastic protective layer that resists corrosion and abrasion under extreme conditions. Designed for professional application with a 6 Bar compressor, it also offers self-healing properties and versatility for use on vehicles, machinery, and steel structures. Trusted OEM quality with a 4.6-star rating ensures long-term protection and value.

Specifications

ASIN	B00764JB9O
Best Sellers Rank	108,632 in Automotive ( See Top 100 in Automotive ) 300 in Rust Converters & Rust Removers
Brand	REJEL
Customer Reviews	4.6 4.6 out of 5 stars (17)
Date First Available	29 Sept. 2020
Delivery information	We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.
Guaranteed software updates until	unknown
Manufacturer	DINITROL
Manufacturer part number	DIN4941M3S
Manufacturer reference	DIN4941M3S

Reviews

C**S

Good product.

Used Brunox rust converter on the underside of my Avensis, then once cured covered with Dinitrol and now it is glossy black and no rust. Warmed the Dinitrol up in the sunshine and it went on beautifully.

27.06.2026

K**R

Great

Better than I could have asked for. With proper prep, this underseal lays a very thick coat which dries well. Very easy to use when hooked up to an airline. Great peace of mind knowing my underside is coated with this

8.12.2025

H**L

Good coverage and looks long lasting

This pack of three with a free application gun was well packaged and quickly delivered and once the containers were warmed up went on well with good coverage

16.10.2024

J**Y

Nothing beats Dinitrol

Great product, have used it before and will use again

28.06.2018

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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