5-10pcs/lot SS316 U tube card M6/M8*12/14/16/18/20/22/25/33/48-108/114/133 Stainless steel DIN3570 U-shaped tube clamp U-bolts

5-10pcs/lot SS316 U tube card M6/M8*12/14/16/18/20/22/25/33/48-108/114/133 Stainless steel DIN3570 U-shaped tube clamp U-bolts

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