51758 Loc-Line 3/8″ NPT to 1/4″ NPT Female Pipe Reducer, pack of 20

Product details

The product “51758 Loc-Line 3/8" NPT to 1/4" NPT Female Pipe Reducer, pack of 20” is a plumbing fitting designed to adapt a 3/8" NPT connection to a 1/4" NPT female pipe connection. In an aquarium or water-circulation setup, it’s commonly used when you need to change thread size so that compatible tubing, manifolds, or Loc-Line style components can be connected correctly.

Features:

• Thread adapter design for going from 3/8" NPT to 1/4" NPT
• Female pipe thread on the 1/4" side to accept a matching male NPT fitting
• Compatible with Loc-Line systems that use the specified NPT thread sizes
• Useful for building or repairing custom plumbing runs where fittings don’t match
• Pack of 20 lets you replace multiple fittings or keep spares on hand
• Helps maintain secure, threaded connections without requiring you to swap larger plumbing sections

Specifications:

• Product name: 51758 Loc-Line 3/8" NPT to 1/4" NPT Female Pipe Reducer, pack of 20
• Reducer input thread: 3/8" NPT
• Reducer output thread: 1/4" NPT (female pipe)
• Quantity: Pack of 20