Mila |
PIN28

Vented Vial Access Adapter For 28mm Vials, Priming Volume = 0.1ml

Special Order Item

This item is subject to our special order policy Special order items are ineligible for returns. These items will be shipped separately to the rest of your order. Lead times will be advised by our customer service team. .

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The MILA Needle-Free Vial Adapters & Vial Spikes provide safe, convenient access to medication vials while helping preserve sterility and reduce repeated stopper punctures. By allowing the vial to be accessed through a swabable needle-free valve, these adapters help reduce contamination risk, improve workflow efficiency, and minimize medication waste. Compatible with standard luer syringes, the adapters are ideal for repeated withdrawals from multi-dose vials, large-volume bottles, and frequently used medications.


  • Provides needle-free access to medication vials and bottles
  • Single puncture helps preserve vial integrity and sterility
  • Swabable needle-free valve supports repeated access
  • Compatible with any luer syringe
  • Helps reduce needlestick injuries and sharps waste
  • Saves time during repeated medication withdrawals
  • Ideal for multi-dose vials and large-volume bottles
  • Available with vented, filtered, and aerosol-protective configurations
  • Neutral-pressure vented options reduce resistance during aspiration
  • Designed to help reduce medication waste and contamination risk

Vial Adapter & Vial Spike Comparison Guide

Item # Description Vial Size Compatibility Needle-Free Valve Vented Filtered Air Inlet Priming Volume
PIN1 Locking Vial Spike with MicroClave and Vent 20mm & 28mm N/A
PIN2 Vial Spike with MicroClave Universal No No N/A
PIN13 Closed-System Vial Adapter 13mm 0.2 Micron Filter 0.10mL
PIN20 Closed-System Vial Adapter 20mm 0.2 Micron Filter 0.10mL
PIN28 Closed-System Vial Adapter 28mm 0.2 Micron Filter 0.10mL

Standard Vial Spikes

  • PIN1 – Locking Vial Spike with MicroClave and Vent
  • Fits 20mm and 28mm vials
  • Filtered vent allows air to enter the vial during aspiration
  • Maintains neutral pressure to facilitate fluid withdrawal
  • Helps prevent contamination by filtering incoming air
  • Ideal for repeated withdrawals from large-volume containers such as hypertonic saline
  • PIN2 – Vial Spike with MicroClave
  • Universal vial compatibility
  • Needle-free MicroClave valve
  • Simple, economical design
  • Suitable when venting is not required

Closed-System Vial Adapters

  • PIN13, PIN20 & PIN28
  • 99.99% protection against aerosols and vapors
  • Pressure-equalized venting system
  • Dual-pathway, non-coring plastic spike
  • One-way 0.2 micron filter
  • Low residual volume (0.10mL)
  • Multi-use, drip-free design
  • Needle-free and swabable
  • Compatible with any luer syringe
  • Locks securely onto the vial

Choosing the Right Vial Adapter

Application Recommended Product
Large-volume bottles (e.g., hypertonic saline) PIN1
General needle-free vial access PIN2
Enhanced aerosol and contamination protection PIN13, PIN20, PIN28
13mm vial PIN13
20mm vial PIN20
28mm vial PIN28
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