Dear Customer,

We appreciate your interest in our effective and innovative ComStar products.

As of January 1, 2018, The U.S. Environmental Protection Agency (EPA) requires all buyers of refrigerants that contain CFCs, HCFCs or HFCs to be certified technicians.

You will be asked to complete a short form and upload your technician’s certified ID to complete your order in the cart.

Thank you!

Dear Customer,

We appreciate your interest in ComStar's effective and innovative products.

Please note that the item you have placed in your cart is considered a hazardous product and cannot be returned unless the receiver has a hazmat shipping license. Most hazardous materials may not be returned by mail.


Case Quantity: 4
In stock
Stock No.
Cascade System Internal Coil/Line Cleaner



ComStar’s CF-40 will clean the interior coil lines in refrigeration or air conditioning systems after a composer burnout and/or before a new compressor is installed. This product can be used to eliminate mineral oil residue from systems before changing over to synthetic oil. CF-40 cleans refrigeration and air conditioning mechanical parts. This product may be used in refrigeration or air conditioning systems oil and is compatible with CFC, HCFC, HFC, or HFO refrigerants and is also non-flammable. CF-40 is designed to clean interior refrigeration systems, designed with cascade for super low temp systems with complex and long line runs.



  • CF-40 cleans interior coil lines in refrigeration and A/C systems after a composer burnout
  • CF-40 is non-flammable and leaves no residue
  • CF-40 will not contaminate oils or refrigerants
  • CF-40 can clean refrigeration and air conditioning mechanical tools
  • CF-40 eliminates mineral residue
  • CF-40 is compatible with CFC, HCFC, HFC, and HFO refrigerants


Buy yours today!



Stock Number 90-503
UPC 024924905036
Unit Volume 1 Gallon
Units per Carton 4
Weight per Item (lbs.) 15.25
Type Liquid




9.50 x 6.50 x 4.00




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