The ornamental design for a supportguide for tubingcassette system, as shown and described.
FIG. 1 is a left side elevational view of a support guide for tubing cassette system according to the present invention.
FIG. 2 is a right side elevational view of the support guide for tubing cassette system of FIG. 1.
FIG. 3 is a front perspective view of the support guide for tubing cassette system of FIG. 1.
FIG. 4 is a top plan view of the support guide for tubing cassette system of FIG. 1; and,
FIG. 5 is a bottom plan view of the support guide for tubing cassette system of FIG. 1.
The broken line showing is included for the purpose of illustrating portions of the article with the lines themselves and the areas within forming no part of the claimed design.