Instruction: Output yes if the supporting document can answer the given question. Otherwise, output no.

Input:
Question: how to figure out when it's the time to replace?
Document: My refill order. These little guys are easy to install and work great. My skin feels great and can notice a difference when it is time to replace.
Came on time, and was easy to replace the old filter. Great price and I would order again in the future when I have to replace the filter again.
I had been purchasing filter for my shower from a local hardware store, but I find it easier to have the filters automatically sent to me just before it is time to replace. Prices are compatible.
Sorry to say, am not satisfied this time. Am losing a lot of hair. Am not sure if can return/replace this one.The filter I purchased in April was awesome. I loved it
These filters are excellent for taking the impurities out of my hard water and easy to install. I have used this system for about 3 years and I can tell the difference in my hair when it is time to replace the filter.
We bought this to filter the chlorine from the shower water. It has been helpful, has not made any significant loss to water pressure. It works as expected. I like that Amazon now offers automatic shipment when it is time to replace the filter.
Been using the Culligan shower filter for years... literally for years and I am very pleased with the results on my hair and skin. I can always tell when it is time to replace the filter because my hair begins to look very uncontrollable.
culligan shower filter is a good product . it works fine as described. reduces hail fall, itching etc caused by chlorine ,but filter efficiency gets less over time so you may have to replace it before six months.
I originally got this because I heard it helps filter out chlorine which can fade haircolor. I think the filter does help. This is the first time I had to replace the filter and I think the price of this product was good and it was easy to replace.
I have been using this product in our shower for about 2 1/2 years. It has cut down on the amount of mineral deposits tremendously. It has been easy to replace the filters. I order two to three at a time and order more when I install my last one. Great product.
Answer: yes