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🧊 Keep your A/C chill and flawless with Mastercool’s pro-grade flush!
Mastercool 91049-128-4 A/C Flush Solvent is a professional-grade, solvent-based cleaner designed for automotive and HVAC/R A/C systems. It rapidly evaporates without leaving residue, is non-flammable and non-corrosive for safe shop use, and is formulated to protect O-rings and seals across multiple refrigerant types. Available in convenient 4-pack gallon sizes, it ensures thorough system cleaning before recharge or repair, backed by over 40 years of trusted American manufacturing.
| ASIN | B015MXFVBC |
| Best Sellers Rank | #51,030 in Automotive ( See Top 100 in Automotive ) #75 in Air Conditioning Oils |
| Brand | Mastercool |
| Brand Name | Mastercool |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.2 out of 5 stars 114 Reviews |
| Global Trade Identification Number | 00700376112177 |
| Included Components | 4 - 1 gal plastic bottles |
| Item Form | Wipe |
| Item Volume | 512 Fluid Ounces |
| Manufacturer | Mastercool |
| Material Feature | Unscented |
| Material Features | Unscented |
| Number of Items | 4 |
| Scent | Unscented |
| Special Features | Residue Free |
| Specific Uses For Product | Air Conditioner |
| Surface Recommendation | Metal |
| UPC | 700376112177 |
| Unit Count | 512.0 Fluid Ounces |
| Warranty Description | 1 year |
K**S
Works Fine
I just flushed the lines and front Evap Core from a 2010 Dodge Grand Caravan. Fluid cleans well and evaporates fast. Evap Core was plugged, this flush broke through the plug very quickly. I didn't get any residual oily film like other users have reported. It did the job it's designed to do and did it well.
J**.
It works
Worked very well and saved money on the gal. Size
B**D
great product, poor delivery
great product, poor delivery, this stuff is basically alcohol and acetone with some other chemicals..., delivery gave it upside down and lost 1/4 that destroyed the box and neighbors in this complex didn't appreciate it, but not this company's fault, just the inept driver...
A**R
Hard to remove.
Used this product and did nitrogen flush on an older line set that ran to the attic. It did clean but it’s very hard to remove it out of the lines and get it fully dry. Even after flushing, blowing out lines with nitrogen I could not get my microns under 1600. Ran half of my nitrogen bottle through the outflow line to the supply with both cores removed. Only using enough psi to feel it coming out of supply service port. Had to empty roughly 2 80cf bottles just to get everything out and down to proper microns. The Vaccum pump had little to no effect on boiling off any of this solution. I ran my pump on and off for 2 days with little effect. If you use this you better have a lot of nitrogen. Honest review here with changing my own ac system.
G**T
Worked great will order again
This product thoroughly cleaned the AC system I was working on, I do recommend this product
D**R
Way overpriced
Way overpriced considering this stuff smells just like mineral spirits. It does not dry quickly either. Save the money and get a gallon of naphtha or mineral spirits instead.
V**T
excellent
worked great
E**.
Great Purchase
Great Purchase
Trustpilot
Hace 3 semanas
Hace 3 semanas