Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
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Description
Dwyer Series RM Rate-Master Polycarbonate Flowmeter RMASeries RM Rate Master Polycarbonate Flowmeter 2" Scale (RMA) no valve Model and Ranges: Model RMA 1 Flowmeter, range . 05 . 4 SCFH air, no valve. Model RMA 10 Flowmeter, range 20 200 SCFH air, no valve. Model RMA 11 Flowmeter, range 30 200 cc min air, no valve. Model RMA 12 Flowmeter, range 50 500 cc min air, no valve. Model RMA 13 Flowmeter, range 100 1000 cc min air, no valve. Model RMA 14 Flowmeter, range 200 2500 cc min air, no valve. Model RMA
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
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.5 ★★★★★
Based on 917 reviews
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Product Reviews
★★★★★ 5
High quality and looks great
Color: Black
Works well, definitely deep enough. I like the stand- ease of lifting it off its base and then returning it without needing a second hand. Has a modern sleek look and it’s heavy in a good way. Feels like quality build.
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Reviewed in the United States on December 10, 2025
★★★★★ 5
Nice accessory
Color: Black
Pretty useful tool for your espresso making experience
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Reviewed in the United States on February 21, 2026
★★★★★ 5
An Amazing Addition to My Counter!
Color: Black
At first I did not think I needed this, but after using it for almost a year, I have found out how amazing this product is. It makes the coffee I get much better and lets me pack the grind much more evenly. It is also made of entirely metal, which adds a lot of weight and makes it feel super premium. After using it almost every day for a year now, I still have not needed to replace the needles, yet it came with nine more. All of that value for such a small price makes this great for me and anyone looking to improve their coffee making.
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Reviewed in the United States on January 2, 2026
★★★★★ 5
Nice
Color: Black
Great for the price, I like that it is customizable for your needs
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Great little tool
I recently purchased this product after upgrading my grinder. So far it had worked well and the little magnetic holder attaches perfectly to the Breville Barista Express I have. I love that it’s magnetic and keeps the tool out of the way and in a secure spot. Additionally, they throw in a double sided 3M sticky pad for those who do not have a surface where it can magnetize to. Overall great WDT with a great storage solution.
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Reviewed in the United States on August 20, 2023
