$6.37 for Frost King Foam Coil Cleaner

Amazon has the Frost King ACF19 Foam Coil Cleaner for $6.37. This is very close to the recent deal price of $6.35, with a consistent history of around $6.37 in the past 30 days. The original price was $16, making this a substantial discount and the lowest price we've seen in recent history.

This foam coil cleaner clings for deep cleaning, improves airflow, and boosts HVAC efficiency. While the chemical smell and some scrubbing may be necessary, its ease of use and effectiveness make it a good value. The deal is available with free Prime shipping, and it’s a frontpage deal with strong user engagement.

Overall, this price drop from a typical $11+ to just $6.37 is significant, especially considering the product’s solid reviews and popularity at Amazon. Given the history and the current low price, this deal is highly attractive for DIY HVAC maintenance.