Ah i found it, it's blocked too! Always wondered what that was.

A can of air!?

 

...Disappears off to Google and to check it isn't April the 1st   

A can of air!?

 

...Disappears off to Google and to check it isn't April the 1st   

Compressed air.... Looks like a normal aerosol and is used to clean out the insides of computers etc.......

 

http://www.amazon.co.uk/Office-Depot-HFC-Free-Duster/dp/B00KRE9ZDM/ref=sr_1_5?ie=UTF8&qid=1442398898&sr=8-5&keywords=compressed+air

Price:

£2.76 FREE UK delivery.

 

In stock.

Estimated delivery 18 - 21 Sep. when you choose Express Delivery at checkout.

From £2.76

• Air Duster
  
• HFC Free
  
• For: PCs. Printers, Photocopiers and Fax Machines and Skoda Superb Fuel Pipes
  
• 400ml
  

Good idea Pete..... Will have to remember this if mine blocks back up again rather than the mouthful of diesel soaked gunk.

 

Agree - really good idea!