Advocate Short Pen Needle 31G x 5/16" (100 count) Sold By:Box of 100 Designed to be used with

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

Unique single shutter valve system for reliable functionality

convenient protection

Waterproof bottom layer helps prevent leakage

Non-slip bottom helps insure proper cushion placement

Advocate Short Pen Needle 31G x 5/16" (100 count) Sold By:Box of 100 Designed to be used withPharma 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.