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Apr 30th 2026
The EZ-FLO Quick Connect Collet is the official replacement collet for EZ-FLO proportioning caps that use the CAP-MBT connection. These small but critical components are the quick-connect locking inserts built into the cap of your EZ-FLO fertilizer injector that grip and seal the 1/4" tubing in place. When a collet becomes worn, cracked, or lost, the tubing connection can leak or fail to lock securely — replacing them restores a reliable, drip-free connection without the need to replace the entire cap assembly.
Each pack includes both green and blue collets — the two color-coded sizes used across EZ-FLO cap assemblies. The 6-pack (SKU: IEZQCC-6) includes 3 green and 3 blue collets, while the 2-pack includes 1 green and 1 blue collet. Keep a set on hand so routine maintenance never interrupts your fertigation schedule.
Collets are the internal quick-connect gripping rings inside your EZ-FLO cap that lock 1/4" tubing in place under pressure. Over time — especially with repeated disconnection and reconnection — the plastic teeth can wear down, crack, or lose their grip, causing:
Replacing the collets is a quick fix that restores your injector cap to like-new performance at a fraction of the cost of a full cap replacement.
| Specification | Details |
|---|---|
| Compatible Cap | EZ-FLO CAP-MBT Proportioning Cap |
| Colors Included | Green & Blue (both sizes included in each pack) |
| 6-Pack Contents | 3 Green + 3 Blue Collets |
| 2-Pack Contents | 1 Green + 1 Blue Collet |
| Manufacturer SKU | K-COLLET |
| Brand | EZ-FLO Injection Systems |
Which EZ-FLO injectors use this collet?
This collet is designed specifically for EZ-FLO cap assemblies that use the CAP-MBT proportioning cap connection.
If you are unsure whether your injector uses CAP-MBT style caps, check your injector's cap assembly or contact DripWorks for guidance at 1-800-522-3747.
Why are there two colors (green and blue)?
The green and blue collets are the two color-coded sizes used in EZ-FLO CAP-MBT cap assemblies — each pack includes both so you have the correct size on hand.
Each pack contains one of each color so you are covered for both connection points on your cap.
How do I replace the collet?
Depressurize and disconnect your system, then use a collet removal tool or thin flathead to depress the collet ring inward while pulling the tubing free. The old collet can be popped out and the new one pressed firmly into the cap fitting until it seats flush.
Refer to EZ-FLO's installation instructions for your specific cap model before servicing your injector.
Should I buy the 2-pack or the 6-pack?
The 2-pack is sufficient for a single cap repair. The 6-pack is the better value if you manage multiple EZ-FLO injectors or want to keep spares on hand for the season.
These collets are designed for EZ-FLO CAP-MBT proportioning cap assemblies only. They are not universal collets and are not interchangeable with other brands or non-CAP-MBT EZ-FLO caps. If you are unsure of your cap model, please contact our team before ordering.
Keep your EZ-FLO fertigation system running smoothly with these related parts and accessories:
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