111513
36239 FLOW SWITCH
You will find that this unbranded accessory fits standard setups without any issues.
Essentra Components 111513 Rectangular Tube Insert
You will find that the VpCI-111 model saves you time on rust removal later.
ATP 111513 Surethane Polyurethane Plastic Tubing PUR 8m OD x 3/16" ID 100 feet
You will appreciate how the plastic edges are rounded off, so there are no sharp corners.