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- USA
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
Synthesis 2000 ml Flask heating block seriesSynthesis blocks Max Outer Dia. Inner Dia. Indent. No. H 135. 50 Flask carrier 2,000 ml without handle 194. 7 mm 0025000834 H 135. 501 Flask inlay 1,000 ml 131. 8 mm 0025000645
Synthesis blocks
| Max Outer Dia. | Inner Dia. | Indent. No. | |
| H 135.50 Flask carrier 2,000 ml without handle | 194.7 mm | - | 0025000834 |
| H 135.501 Flask inlay 1,000 ml | - | 131.8 mm | 0025000645 |
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.6 ★★★★★
Based on 350 reviews
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Product Reviews
★★★★★ 2
Too big
The one size fits all was too big for me.
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Great fit
Size: Medium, Color: White
Perfect fit and they don't slide off the back of your ankle.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Best socks!
Size: Medium, Color: Blue
I love these socks! They last for years and they fit so nicely on my feet. I love that I can wear the in tennis shoes or wool boots and they never move!
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Reviewed in the United States on October 21, 2025
★★★★★ 1
TOO SMALL
Size: Medium, Color: Blue
Nice socks, but they are way too small. Says they fit size 6 - 10. I kept 3 ( I wear size 8) and gave 3 to my daughter (size 8.5). We both agreed that they were just too small.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Style and comfort
Size: Medium, Color: Black
Exactly what I was looking for. Style and sock thickness and comfort.
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Reviewed in the United States on December 14, 2025