Loc-Line
51821 Loc-Line Reducer Adapter 1/2″ ID to 1/4″ ID System, pack of 2
$6.99
- Ships any business day
- Products we use on our own reefs
- Questions? Ask a reef keeper
Share
Product details
Product details
51821 Loc-Line Reducer Adapter 1/2" ID to 1/4" ID System, pack of 2 is a plumbing adapter designed to reduce connection size within a Loc-Line-style tubing/nozzle system. In practical aquarium use, it lets you transition from a section with a 1/2" inner diameter (ID) connection to a 1/4" ID connection so you can fit smaller distribution components where needed.
Features:
- Reducer adapter for transitioning between 1/2" ID and 1/4" ID connections in a Loc-Line-type system
- Helps consolidate or redirect flow from larger tubing sections to smaller outlets/components
- Useful when building or modifying an existing multi-size plumbing layout
- Pack includes two adapters for two transition points or backup/replacement
- Straightforward size-matching approach based on the listed 1/2" ID to 1/4" ID configuration
Specifications:
- Model/SKU: 51821
- Product type: Reducer adapter (plumbing fitting)
- Connection sizes: 1/2" ID to 1/4" ID
- Quantity: Pack of 2




