Graff G-8024-RH1-BNI-T M-Series Square Stop/Volume Trim Plate with Round Handle In Brushed Nickel. GRAFF G-8024-SH1-T M-Series Transitional Square Stop/Volume Trim Plate with Knob Handle. The M-Series thermostatic module lets you create, customize and transform your shower experience. Pushing the boundaries of design and opening up new possibilities in shower functionality, the M-Series minimalistic beauty comes to life in a new and personalized way. Finezza M-Series Stop/Volume Control Valve Trim with Handle. Use with G-8076 stop/volume control valve with pass-through or G-8077 stop/volume control valve. To complete package, you must order rough valve. Use with G-8076 stop/volume control valve. Pass-through or G-8077 stop/volume control valve.