I cut these open today to have a look.
The PowerFlo and ProMotive are the AAP "behind the counter" filters, mostly intended for service shops...You have to ask for them. They are all Purolator products.
The PowerFlow replaced the Total Grip, and now the ProMotive is replacing the PowerFlo. I don't know about the Total Grip, but the last two seem to be the exact same filter with a new name. I paid about $2.50 apiece for these two, and about a buck and a half more for the Purolator Classic.
I found it interesting that these all cross to the same application even though the bargain filters are shorter.
I didn't count pleats, but there is clearly less media surface area in the Promotive and PowerFlo filters. The media is a bit thicker and feels softer, too. Looking at the medias under high magnification, they also seem to me to be courser...heavier fibers that are not spun together as tightly as the Purolator Classic.
I doubt these filter as finely as the Classic, but still look reasonably good. It appears to me that the medias are, like, one step down in both quality and quantity from the pricier Classic.
The rest of the construction is similar to the Classic...except for shorter, of course.
Enjoy:
PowerFlo
ProMotive
Purolator Classic
PowerFlo Super Close
ProMotive Super Close
Purolator Classic Super Close
The PowerFlo and ProMotive are the AAP "behind the counter" filters, mostly intended for service shops...You have to ask for them. They are all Purolator products.
The PowerFlow replaced the Total Grip, and now the ProMotive is replacing the PowerFlo. I don't know about the Total Grip, but the last two seem to be the exact same filter with a new name. I paid about $2.50 apiece for these two, and about a buck and a half more for the Purolator Classic.
I found it interesting that these all cross to the same application even though the bargain filters are shorter.
I didn't count pleats, but there is clearly less media surface area in the Promotive and PowerFlo filters. The media is a bit thicker and feels softer, too. Looking at the medias under high magnification, they also seem to me to be courser...heavier fibers that are not spun together as tightly as the Purolator Classic.
I doubt these filter as finely as the Classic, but still look reasonably good. It appears to me that the medias are, like, one step down in both quality and quantity from the pricier Classic.
The rest of the construction is similar to the Classic...except for shorter, of course.
Enjoy:
PowerFlo
ProMotive
Purolator Classic
PowerFlo Super Close
ProMotive Super Close
Purolator Classic Super Close