Single Variable Flow Kit, 7-10 x 175mm Back Catalog number: 800257 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9936-01 Tubing Adapter, 1/4" to 3/8 " ID, Plastic, for Gil Price on request 800783-3 Diagnostic Panel with Stand, Hi/Lo (2-50cc, 20-200 Price on request 385-0113-01 Filter Cap, Replacement for Nephelometer Price on request