Honeywell's filter division was established in 1934, and by 1997 it had increased the effectiveness of a single filter to 98 percent. At present, the main products of Fangpai are machine filters and air filters, and the sales volume of the two ranks first in the aftermarket in the United States, and seven of the ten best-selling models in the United States use Fangpai as the original machine filter.
 
In the evaluation of many automotive websites, the recommended Fangpai machine filter products are Extra Guard, which uses glass fiber mixed filter paper, and its filtration efficiency of more than 20 micron particles is 96.2%, which is a certain gap compared with Purple Crown.
 
At present, the most recommended machine filter is the flagship model Ultra Synthetic, which is specially designed for fully synthetic motor oil, the filter paper uses high-strength 100% synthetic glass fiber material, and adopts a double-layer synthetic filter paper design, which can filter more than 99% of pollutants in the 20 micron level.
 
As a member of the long-term machine filter, Ultra Synthetic officially marked that the service life reaches 20,000 kilometers, but the price is not low, the price of Amazon in the United States is about 15-20 US dollars, and the purchasing agent needs about 370 yuan.