Effective filter at a fraction of the cost
588056
I had to twist a little harder than expected to install the filter, but the accompanying instructions explained that this was to ensure the best gasket seal.  After soaking the filter in water, a instructed, it worked like a dream.  I use fridge-filtered water for a final rinse on my hair (heated, of course) and can tell a big difference to softness and shine, so I know it's filtering out unwanted chemicals.  I'll buy from this seller regularly!
415804
This a very nice filter, especially considering the price. I shoot Canon L series lenses and only put high quality, multicoated filters on them. I shopped around and there just aren't any other filters out there that are anywhere near this price and offer a 16 layer multicoating. Most that come close have only 1, 2 , or 4 layer coatings and cost roughly twice as much. From there, it's a pretty big jump in price to get to 8 or 16 layers (up to around $60). The quality of glass appears good on this filter, and the coatings look like they do the job. The only potential downside is durability. The first thing I noticed is that the filter is very light. It appears that the glass is thinner than say a B+W, and the ring is super thin and super light, giving the impression that it may not hold up to everyday bumps and bangs. Time will tell, and if I have any problems I'll update this review. For now though, this looks like a decent product at a great price, and I'd buy it again if I were in the market for a UV. Size purchased: 77mm.
4642793
These filters work well and they are priced competively
1293557
After our HVAC service increased the price to replace the filter media from $45 to $60, I decided to take a crack at it myself. For once I used good judgment and found an online video clip demonstrating the proper "how to" before attacking the job. So armed, I proceeded to replace the old with the new. It was not difficult at all (yes, even the filter comb-spreaders went in place without a single hitch), and the whole job took me less than 10 min this first time. Subsequent changes should take half that time or less.

I considered buying the Model 1213 upgrade adapter frame plus the new, more efficient media, all for about the same price as I paid for this filter alone. I was initially impressed by the increase in its filter media efficiency, but when I asked a few questions of someone who knows, I was told that the recommended replacement period shortens by one half of the current (in my case, from once to twice/year). That means that instead of $42+/yr., our media replacement cost would double to $85+/yr. Since we've experienced no downside using the current product, it became an easy choice to remain with the original #201 filter and change it annually. Very pleased with this choice.
1317618
I parked this filter on the end of my $700. Nikon 18-200 and didn't want to sacrifice image quality for lens protection. You get what you pay for and the Hoya delivers!
887185
Compared to the OEM filter these are fine. At less than half the price, these are a much better overal value! Installation fit is nice an tight. Well done Fram!
4822382
Filter did the job required, cost effective. pleased. No complaints. Cost was the initial draw. Saved a lot shopping on Amazon, as usual.
159213
This was a good price for a filter for which I was not interested in spending a lot of money. The optical quality is probably not as good as its Tiffen equivalent, but given that the purpose for which I was buying it was to diffuse the image, that difference was not really an issue.
1584244
We are super happy with this filter. We've had much more expensive filters in the past, and feel like this does just as good a job, at a fraction of the cost. The customer service was excellent as well!
2109000
Pleatco makes this set of filters for my Hayward Pool Filtering System.  They are as fine in quality as I've found, but these cost me slightly over one-half what my local pool store charges.  Because the total price justified free shippping, and the government had not-yet foisted an internet sales tax on us; I made a great deal on this purchase.
4731887
Great filter, saving plenty of money using this.
2623566
I have a system that requires the MERV 16 filter to be replaced once a year.  The first year, the air conditioning company came to service my new system, they charged me $250 for this filter.  Imagine my joy to find this product on line at less than half the cost.  This is a very efficient system and does a fabulous job of filtering dust and smells.
3204191
Along with the same size Tiffen circular polarizer I have a  great performing variable neutral density filter.  These Tiffen filter are a great value and performers.  No need to use cheapo ones or unreasonably priced filters.  The thread feels exact and they do what they are supposed to do.
2192083
I find that this filter fits perfectly and works just as well as the more expensive ones I've bought.
2260823
Works well, low cost for replacement filters and runs quiet
1544823
Simple and economical filtration system that works well.
1409990
Thank heaven this off brand filter works - i can't cope with the price otherwise