Your search for "instruments" revealed the following:
Stainless Steel Swagelok Tube Fitting, Union Tee, 1/2 in. Tube OD
Rp 994.000,00
Vendor: APSS Store
View Product
SS-600-3 – Stainless Steel Swagelok Tube Fitting Union Tee, 3/8 in. Tube OD, 316 SS
Rp 645.000,00
Vendor: APSS Store
View Product