OEM Triangle End Caps for Air Filters. 25 Years Manufacturing Experience: Decades of specialized experience in producing metal filter end caps and stamping parts. Customized Dimensions Available: Thickness 0.30-3.00mm and Outer Diameter 20-1000mm can be customized to requirements. Multiple Material Options: Available in Galvanized Steel, Stainless Steel, Anti-Fingerprint, Copper, and Brass. ISO 9001 Certified Quality: Manufactured under ISO9001:2008 and SGS Quality System Certificates. Excellent Heat and Chemical Resistance: Ensures filters have a longer life with superior resistance properties. Various Existing Molds: Wide range of open/closed types with holes or steps to save customer costs. Fast Stock Delivery: 7 days delivery time available for all stock materials. Free Sample with Catalogue: Free samples provided; courier charge refundable upon order placement.