




Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The MALLEABLE 521-320 is a black iron reducing coupling with dimensions of three-eighths inch by one-eighth inch. This fitting is made from quality malleable iron and adheres to the 150# Malleable Iron Threaded Fittings standards. It features female thread connections on both ends, making it suitable for a variety of plumbing tasks.
This coupling is rigorously tested and inspected to ensure reliability for plumbing and piping systems.
Thanks for subscribing!
This email has been registered!




