Product was successfully added to your shopping cart.


Product was successfully added to your comparison list.

"Small and strong"

This small strainer cleans up easily and works so well. I am very pleased.

- Alyse

Plastic Strainer

SKU: 4075
Plastic Strainer with Nylon Mesh

Availability: In stock

Product Name Price Qty
2.5" Plastic Strainer

Out of stock

3.5" Plastic Strainer
You Can Do This
When you buy this product you get FREE ACCESS to: 155-page Kefir eBook including 35 recipes plus hundreds more articles, recipes, and how-to videos.



Perfect for straining kefir and kombucha!

  • Materials: BPA-free (handle plastic type PP).
  • High-quality plastic with nylon-mesh strainer.
  • Dishwasher-safe.
  • Two sizes available.
  • Progressus Brand.
  • Made in Italy.
  • Dimensions: Small Strainer: 2.5 inches, holds about 1/4 cups | Large Strainer:  3.5 inches, holds about 3/4 cups






Why I Love This Product

These plastic strainers are one of my favorite tools for making both milk and water kefir. They easily catch the grains and fit over a wide-mouth mason jar lid with just a bit of overhang. Because there is no metal involved, I don't have to worry about the acids in these beverages reacting with the metal, leaching, or damaging the grains at all. Once I've strained the water kefir grains through this strainer and added them to a fresh batch of sugar water, I like to use this strainer to juice lemons and limes through to catch the seeds. This allows me to use one tool for straining the water kefir grains and then flavoring them with delicious fresh citrus juices. 

Shannon, CFH Content Writer




Additional Information



10 Reviews For "Plastic Strainer"

Items 1 to 10 of 23 total
  1. LOVE this little strainer!

    by Buffalowingman on 07/16/2018


    This is perfect for straining water and milk kefir grains out of the finished product. Just rapping it lightly and constantly on the top of the jar as the kefir is being poured helps to move the product through the strainer. I look in every store I go in to find a good non metal strainer and have not found any yet, so I am very glad this company offered this great, simple, convenient, easy to clean product. The smaller one is perfect for using over a wide mouth canning jar. The larger one is great when used with a canning funnel. You should definately get one.

  2. Awesome!

    by Larry on 04/07/2018


    Well made, strong, and NOT metal.
    I love it. This is the one you should buy.

  3. It is perfect for my kefir grains.

    by Evelin on 11/19/2017


    I was looking for this product at other places and they didn't have it. I am glad I was able to find it here.

  4. The best strainer for milk kefir I have used!

    by Debbie on 10/22/2017


    For the first eight months of making milk kefir(store bought whole milk), I used my high quality large stainless strainer. Tiny, tiny grains would get trapped in the fine mesh and were impossible to wash out. I finally gave in and order this 3.5" strainer. The straining process is actually much faster and thorough! I use a canning funnel to support the strainer over the canning jar. With a couple of gentle taps, the thickened kefir goes right thru and the grains stay put. A few tiny, tiny grains work their way to the underside from the tapping, but a gentle scrap with a spatula retrieves them. There are no seams; there are no hiding spots for stray grains or any other foreign debris. It cleans up easily too. After months of thinking it would be a dumb purchase, I bought it and for six months I have absolutely loved it!

  5. A note about the large size

    by Anna on 06/28/2017


    This is a good strainer. However, I wanted to point out that the larger size does not fit over a standard quart jar. That may be obvious if you bother to measure a jar, but I missed that detail. I was thinking I'd go for the larger size to have a greater value and accommodate more grains, but instead I wish it could fit perfectly with the quart jars I use for kefir. Maybe this tip will help someone else choose the best size for their purpose.

    Response from CFH: Thank you for your feedback! What we find works great (we love this larger strainer too) is to use a funnel that the strainer can sit upon it. We use a wide mouth funnel, and it's perfect! Good luck!

  6. Perfect!

    by Rebecca on 04/06/2017


    What can I say? This is the perfect little high-quality plastic strainer! It's ideal for straining out kefir grains while making kefir water and is just the right size and works perfectly with the bottles and a funnel. I haven't had any problems with wear and expect it to last for years. In fact, I have now purchased it in both sizes and would happily buy another if only I could convince my sister to begin making ferments! I love this company! :)

  7. Small and strong

    by Alyse on 10/03/2016


    This small strainer cleans up easily and works so well.
    I am very pleased.

  8. Great Strainer

    by trainerbill on 02/06/2016


    Love this strainer, was using a stainless steel one but the mesh was too large. This is finer and my tiny water kefir grains now don't pass through and I'm seeing the quantity increase. Soon i'll be able to give some to friends who enjoy my flavored sparkling probiotic beverage that I give them. And I'll make sure they get this strainer!

  9. Perfect!

    by Grandma Janet on 09/08/2015


    I use this in making water kefir, and it's perfect. At first I thought it was silly to send away for a strainer when I have plenty of strainers in my kitchen. That was, until I started finding various bits of foreign matter mixed with the kefir grains. I studied my other strainers and they ALL have an area at the junction between the mesh and the rim where matter gets trapped; it is difficult to clean. THIS strainer has a perfectly smooth junction between the rim and the mesh. It is easy to clean, easy to transfer the kerir grains without any getting caught in the rim. I would not want to be without it.

  10. very handy

    by Marian on 05/26/2015


    What a great little strainer! I use it for filtering kombucha when I pour a serving of second fermentation from its flip-top bottle. It catches yeast strands well. Easy to clean, too.

Items 1 to 10 of 23 total

Write Your Own Review





Questions on Plastic Strainer

Sort by Ascending
6 Item(s)
  • From Trisha at 1/14/2015 4:38 AM
    • I am looking for a strainer 1/8 inch (or 2mm) in hole size for my kefir grains. What size is this strainer?
    • The spaces in this strainer are approximately 1mm, or less than 1/16 inch.
    • Do you find this question helpful?  Yes   No
  • From Jayme at 12/16/2014 2:53 AM
    • Is this strainer BPS and phthalate free as well?
    • Yes, our plastic strainers are BPS and Phthalate-Free.
    • Do you find this question helpful?  Yes   No
  • From Karen at 7/16/2014 5:22 PM
    • The review said that it fits over a wide-mouth canning jar, which size do I need to work with the wide-mouth canning jar?

    • The smaller size (2.5") fits most comfortably in the opening of a wide mouth canning jar.
    • Do you find this question helpful?  Yes   No
  • From Andee at 1/29/2014 9:44 PM
    • Is it recommended to designate a separate strainer for kombucha, and another for kefir? Or is just one okay?
    • While a separate strainer for each product is more convenient and lowers the risk of cross-contamination between fermenting products, as long as you clean it thoroughly between uses, a single strainer should be fine.
    • Do you find this question helpful?  Yes   No
  • From RUHUA at 9/3/2013 12:29 PM
    • The size of 2-1/2" or 3-1/2" refers to the diameter or radius? Thanks!
    • This measurement is for the inside diameter of each strainer.
    • Do you find this question helpful?  Yes   No
  • From Bernie at 5/11/2013 8:52 PM
    • Do I need a plastic strainer for kiefer grains? Can I use a metal strainer?
    • It is best to avoid metal with kefir grains. The only metal that CAN be used is stainless steel, but typically the holes in a stainless steel strainer will be too large to catch the small kefir grains.
    • Do you find this question helpful?  Yes   No

Ask Your Own Question