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.Customs & duties included in the price

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A$284

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Sold byAmazon AustraliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Shield your ride with pro-level rust proofing – because your vehicle deserves the best!

SELF HEALING ARMOR - The robust black wax film repairs minor damages, ensuring continuous protection in harsh environments.
TRUSTED OEM QUALITY - Manufactured by DINITROL, a leader in protective coatings, ensuring reliability and performance you can count on.
ULTIMATE RUST DEFENSE - Protect your vehicle’s underbody with a tough, elastic wax that fights corrosion and abrasion relentlessly.
VERSATILE INDUSTRIAL STRENGTH - Ideal not just for cars but also spare parts, machines, and steel structures exposed to corrosive conditions.
PROFESSIONAL GRADE APPLICATION - Designed for use with a 6 Bar compressor and spraygun for an even, durable coating every time.

REJEL 3 x DINITROL 4941 is a premium underbody rust proofing kit featuring a 1-litre black wax coating and spraygun. It delivers long-lasting corrosion and abrasion resistance with a self-healing, elastic film. Designed for professional application using a 6 Bar compressor, it’s suitable for vehicles, machinery, and steel structures in highly corrosive environments. Trusted OEM quality ensures durable protection under extreme conditions.

Specifications

ASIN	B00764JB9O
Best Sellers Rank	126,174 in Automotive ( See Top 100 in Automotive ) 348 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

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