GilAir Plus, DL to STP Upgrade (factory only) Back Catalog number: 811-0945-01-R Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 6026-6204 TUBING-TYGON 1/4 OD X 1/16 Wall 1 FT L Price on request 830-0001-01 Model AP-20S Gas Detection Pump Kit Price on request 200260-25 Filter-25Pk, Internal LFS Price on request