Guardian Probe for SPS3/SPS4/AIMS, probe only. Compatible with Aim Lab & Agilent SPS3/SPS4 Autosamplers. Requires a UniFit sample capillary available in IDs of 0.3mm, Black (P/N 70-803-1853), 0.5mm, Blue (P/N 70-803-1852), 0.75mm, Red (P/N 70-803-1714) or 1.0mm, Green (P/N 70-803-1721). The unique, robust tip design eliminates crushed and damaged tips due to misalignment. Drip-resistance prevents cross contamination of samples during probe movement, especially with oils. Built-in particle filtering holds back particulates from blocking the line. Completely inert design, all PEEK and PTFE construction, the Guardian autosampler probe provides exceptional resistance to strong acids and solvents.Replacement Mount Nut, P/N 70-803-1776. Guardian Probe for Teledyne Cetac autosamplers, see P/N 70-803-1803.Glass Expansion is ISO 9001:2015 certified by AB Certification, No. AU4501-900