Kinatibuk-ang materyal sa hubo nga tubo: Copper, Aluminum, Carbon Steel, Stainless Steel Bare tube OD: 25-38mm Fin general material: Copper, Alloy, Aluminum, Carbon Steel, Stainless Steel Fin pitch: 2.1-3.5mm Fin height: <20mm Fin gibag-on : 0.2-0.5mm...
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