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Upgrade your large aquarium, seafood holding tank, or pond filtration system with our Premium 50mm Extra Large High Flow Bulkhead Drain. Engineered for rapid water changes and heavy-duty bottom drainage, this robust bulkhead fitting guarantees a massive, unobstructed flow. Designed to seamlessly connect to 50mm outer diameter rigid pipes, it also features an internal thread and comes complete with a secure threaded plug cap for temporary sealing or overflow management. Build your professional aquatic drainage system with top-tier hardware from Atradesen.com.
⚠️ Crucial Installation Guide: This bulkhead requires a precise 60mm hole cutout in your tank wall. The bottom slip end connects directly to standard 50mm Outer Diameter (OD) rigid pipes. Always ensure the silicone sealing gaskets are placed correctly on the wet side (inside) of the tank before tightening the external locking nut to guarantee a 100% leak-proof seal.
Thank you for your interest in Atradesen.
We specialize in high-quality hardware fittings, PVC & UPVC pipe fittings, aquarium accessories, irrigation components, water filtration products, and industrial supplies.
Whether you are purchasing a single item, placing a bulk order, or looking for OEM manufacturing, our professional sales team is ready to provide you with the most competitive quotation.
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Atradesen is committed to providing reliable products and professional services to customers worldwide.
We work with wholesalers, distributors, retailers, contractors, aquarium stores, hardware stores, irrigation suppliers, and industrial buyers.
Our advantages include:
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Our sales team usually replies within 24 business hours.
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We provide special pricing for wholesalers, distributors, retailers and bulk purchases.
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OEM and ODM services are available.
Custom logo, packaging and product modifications are supported.
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We ship worldwide.
Shipping methods include DHL, UPS, FedEx, EMS, Air Freight and Sea Freight.
Atradesen
Website
Phone
+86-152-6063-0787
+86-152-6062-9033
Business Hours
Monday – Friday
09:00 – 18:00 (UTC+8)
Thank you for choosing Atradesen.
We appreciate your inquiry and look forward to building a long-term business relationship with you.
Our goal is to provide reliable products, competitive pricing and excellent customer service for customers around the world.
✅ Standard Shipping: $25 for orders below $300
🎉 Free Shipping: Orders of $300+
📦 Processing Time: 1–3 Business Days
🇺🇸 United States
Free Shipping: 5–7 Business Days
Standard Shipping: 7–15 Business Days
🌎 International Shipping
Free Shipping: 5–8 Business Days
Standard Shipping: 8–15 Business Days
📍 Tracking number provided for every shipment
🔒 Secure packaging protects products during transportation
We want every customer to receive reliable and quality products.
✅ 30-Day Return Policy
Products can be returned within 30 days after delivery if they meet return conditions.
✅ Product Quality Support
If products arrive damaged, defective or incorrect, please contact us for assistance.
✅ Business Order Support
For wholesale and bulk orders, our team provides professional after-sales solutions.
*Return conditions may vary for customized OEM products.
🏭 Factory Direct Supply
Direct sourcing from experienced manufacturers with competitive pricing.
🔍 Quality Inspection
Products are inspected before shipment to ensure reliable performance.
⚙️ OEM & Custom Solutions
Customized sizes, colors, packaging and specifications are available.
🌎 Global Business Support
Supporting distributors, retailers and industrial customers worldwide.
✅ Reliable Materials & Manufacturing Standards
Designed for long-term use in plumbing, aquarium, irrigation and industrial applications.
