The F4069 is the replacement / spare cap consumable for the F4086 (2.8 L) and F4087 (5.0 L) Jumbo Erlenmeyer / Fernbach flasks — sold as package of 10 caps at $44 ($4.40/cap). Includes filter for sterile gas exchange. Larger-diameter format vs the standard F4067 / F4068 caps for the smaller-volume F40xx flasks.
Key Specifications
| SKU | F4069 |
| Type | Vented filter cap for jumbo Erlenmeyer flasks |
| Pack format | 10 caps per package |
| Per-cap cost | $4.40 |
| Compatible flasks | F4086 (2.8 L), F4087 (5.0 L) |
| Sister cap packs | F4067 (125 / 250 mL flasks, $44.00), F4068 (500 / 1000 mL flasks, $38) |
| List price | $44 |
Ordering & Configuration
Pair with F4086 / F4087 jumbo flasks.
Plan reorder cadence — pilot-scale workflows typically use lower flask throughput than bench-scale.
Confirm at quote: jumbo flask pairing, projected reorder cadence, and lead time.
Warranty: Per Benchmark Scientific standard consumable terms.
F40xx cap family: F4067 (125 / 250 mL, $44.00), F4068 (500 / 1000 mL, $38), and F4069 (this product, 2.8 / 5.0 L jumbo, $44). See F4060-B anchor for full F40xx Erlenmeyer flask family detail.
