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Description
Formatt Hitech Double Fog 2 Filter (4 x 5.65")Creates a Heavy Fog Effect Minimal Flare High Quality Schott Glass The Formatt 4 x 5. 65" Double Fog 2 Filter maintains subject sharpness even though it is a diffusion filter. Flare and contrast are minimizedmaking it a great choice when you want a soft image but not too soft. Double Fog filters are great when you're out in the country and come upon a remote, pastoral scene with some water, trees and, perhaps a lone row boat attached to an old wooden
- Creates a Heavy Fog Effect
- Minimal Flare
- High-Quality Schott Glass
The Formatt 4 x 5.65" Double Fog 2 Filter maintains subject sharpness even though it is a diffusion filter. Flare and contrast are minimized�making it a great choice when you want a soft image but not too soft.
Double Fog filters are great when you're out in the country and come upon a remote, pastoral scene with some water, trees and, perhaps a lone row boat attached to an old wooden dock. The benefit of the fog effect will be an air of drama and romance to an otherwise staid shot. Portraits shot with a Double Fog will cover some imperfections in someone's complexion as well as add a touch of mystery.
Formatt, a company with three generations of professional filter-making experience produces every filter to the highest technical standards. The finest materials, together with state of-the-art production technology have resulted in a standard of optical excellence unmatched anywhere else.
Note: Double Fog filters are available in grades from 1/8, 1/4, 1/2 and 1-5 with 5 having the greatest effect
- Add mood and atmosphere
- Helps control contrast
- Ideal for using in combination with other filters
Absorbing Cell Technology
- The secret to Formatt's consistency in filter design lies in its unique "Absorbing Cell Technology" (A.C.T.); this unique process allows color correct dyes to be applied to optically pure, wafer thin absorbing cells and offers a controllability that ensures the smoothest grad lines and consistent color across the whole filter surface
- This process is revolutionary compared with conventional filter dying techniques by eliminating the need to directly coat the glass surface itself; the repeatable performance gained through A.C.T. ensures that at any time you have to swap like filters for like filters mid shoot you can do so with confidence with no discernable differences in color or density
- Each filter is guaranteed flatness to a maximum 2-wave value and comes with an individual reading from a laser interferometer; every filter is carefully verified with a densitometer and spectrophotometer to ensure consistent and accurate transmission, before leaving the factory - the result is an absolute purity of image that eliminates any unwanted colorcast caused by conventional greenish soda-lime glass
In the Box
Formatt Hitech Double Fog 2 Filter (4 x 5.65")
- One-Year Warranty
| Type | Double Fog |
| Size | 4 x 5.65" (100 x 140mm, 3mm thick) |
| Grade | 2 |
| Filter Factor | Not Specified by Manufacturer |
| Multi-Coated | Not Applicable |
| Rotating | Not Applicable |
| Effect | Softens image with minimal highlight flare |
| Application | Nature, scenics, some portraiture |
| Color Temperature | Not Applicable |
| Construction | Schott-Desag B270 Crown Optical Glass |
| Front Filter Thread Size | Not Applicable |
| Front Lens Cap Size | Not Applicable |
| Packaging Info | |
|---|---|
| Package Weight | 0.4 lb |
| Box Dimensions (LxWxH) | 2.0 x 2.0 x 2.0" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 1868 reviews
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Product Reviews
★★★★★ 1
Fits but not great quality
Style: for Saros 10R / Saros 20 / Qrevo CurvX, Style: for Saros 10R / Saros 20 / Qrevo CurvX
I ordered these hoping that they would work in my Saros 10R but I didn't have the greatest experience. It's a nice kit because it has everything you need while the company hasn't fully released all replacement parts yet. However, it seems like the quality is lacking compared to what came with the vacuum.
When I got the kit, I replaced the mop pads, filter in vacuum, side brushes and main rollers. The mop pads are fine and seem to work as good as stock. They are the right size and I don't have any issues with them. The side brushes also seem mostly the same as stock. However, I ran into issues with the filter and the rollers.
I'm including pictures of the filter after one week of use compared to the stock one that has had almost two months of use. It seems like the replacement filter was easily clogged up, whereas the original after two months was clogged in one area. On the back side of the filter, it seemed like the replacement filter was puffy whereas the original was crisp. Even after knocking the replacement around, it seemed like the dust was glued to the filter. These pictures were also taken after the dock "emptied" the vacuum.
I also noticed that when I replaced the rollers, the vacuum made a noise like something was rattling around. I put the original rollers back on and the noise stopped. Tried one more time and it made the rattle. So I just ended up using the stock rollers.
The kit is nice because it has all the parts you need to maintain the vacuum. However, my experience is that it doesn't work as nice as the originals and I ended up going back with the original manufacturer parts.
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Reviewed in the United States on February 21, 2026
★★★★★ 5
Great mopping floor looks clean
Size: Mop Cloth-4
Mop heads are doing a great job. Always buy original ones for the clean look of your floor
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 17, 2026
★★★★★ 5
Get yourself a spare set of mop cloths to keep your Roborock always ready to run
Size: Mop Cloth-5
Does the Roborock do a fantastic job mopping the floor? No, but it does a pretty good job, in fact “good enough.” Even better, the Roborock mops the floor more frequently than I ever did so it stays cleaner, overall.
Definitely get a pack of spare mop cloths so you can have a set being washed while another set is available to put on the mop.
So far, none of the mop cloths have worn out. Given how long they’re lasting, I’m inclined to say it is a decent value for the price paid.
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Reviewed in the United States on September 19, 2025
★★★★★ 5
Fits Saros 10R perfect
Size: Mop Cloth-4
These are great! Fit perfect and might even be fluffier than originals.
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Reviewed in the United States on March 28, 2026
★★★★★ 5
OEM Roborock Cleaning Pads - Do not buy the knock offs.
Size: Mop Cloth-4
These are Roborock OEM pads for my 10R. I tried many of the cheap knock offs and they were terrible. These work great. Highly recommend.
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Reviewed in the United States on January 22, 2026
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