Advocate Short Pen Needle 31G x 5/16" (100 count) Sold By:Box of 100 Unique single shutter valve system

Unique single shutter valve system for reliable functionality

cut-to-fit

Designed to be used with Fisher & Paykel Humidifier MR620 and Heater Wire Adapter 0045-20 (single heated only)

proper air circulation and moisture build-up

Advocate Short Pen Needle 31G x 5/16" (100 count) Sold By:Box of 100 Unique single shutter valve systemPharma Supply Advocate Short Pen Needle 31G x 5 16" Advocate Pen Needles are designed for safety and comfort. Designed to be safely used by both adults and small children for comfortable insulin injections. All Advocate products are manufactured using high quality surgical grade steel for safe, reliable, and easy use. Easy to use. Single use only. Safer to handle. Disposable device. Provides greater comfort.