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The B3000-RIN2 is the GL32 replacement sealing ring — sister to the B3000-RIN GL45 ring at the same $18 per pack ($1.77 per ring). Specifically sized for the B3000-50 50 mL bottle (GL32 thread) and the B3000-CAP2 GL32 replacement cap. The GL32 ring is NOT cross-compatible with the GL45 ring (different ring diameter for the smaller thread).
For full chemistry rationale (sealing-ring wear mechanisms, ring-only vs cap+ring replacement economics, application profile), see the B3000-RIN (GL45) parent page.
| SKU | B3000-RIN2 |
| Type | Replacement sealing ring, GL32 |
| Cap thread | GL32 (smaller thread, fits B3000-50 50 mL bottle / B3000-CAP2 cap) |
| Pack quantity | 10 rings per pack |
| Per-ring cost | $1.77 |
| Compatible cap / bottle | B3000-CAP2 (GL32 cap), B3000-50 (50 mL bottle) |
| Sister thread variant | B3000-RIN (GL45 ring for 100 mL+ bottles, $18) |
| List price | $18 |
| Thread | Ring SKU | Compatible cap | Compatible bottle |
| GL32 | B3000-RIN2 (this product) | B3000-CAP2 | B3000-50 |
| GL45 | B3000-RIN | B3000-CAP / B3000-CAP-HTC | B3000-100-B through B3000-10L |
Confirm thread before order. B3000-RIN2 = GL32 only. For GL45 caps, order B3000-RIN.
Confirm at quote: thread (GL32), bottle inventory match (B3000-50), and lead time.
Warranty: Per Benchmark Scientific standard consumable terms.
hybex sealing ring family — pick by thread:
- B3000-RIN — GL45 ring ($18 / 10pk) — for B3000-100-B through B3000-10L bottles
- B3000-RIN2 (this product) — GL32 ring ($18 / 10pk) — for B3000-50 50 mL bottle only
Pick the GL32 ring exclusively for the 50 mL bottle's smaller thread. See B3000-RIN parent page for full seal-maintenance workflow detail.
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