Pentek 158008 Traditional Slim Line Filter Housing - 3/8-in NPT, 10-Inch Clear Under-Sink

Compact and capable filtration in a slim profile

The Pentek 158008 Slim Line housing is designed to fit tight under sink spaces without sacrificing filtration capacity. It accepts standard 10 x 2.5 inch cartridges, giving you flexible upgrade options for different water needs.

Clear view, clear decisions

The transparent sump lets you monitor flow and cartridge life at a glance, so you can plan maintenance with confidence. The cap has four molded bosses to help you mount the unit securely.

Key design features

• Slim design reduces installation footprint while maintaining cartridge capacity
• Compatible with all 10 x 2.5 inch standard cartridges
• Clear sump for on-site inspection of flow and performance
• Four bosses on the cap for straightforward mounting
• Leak proof seal enhances dependable operation

Practical uses and installation tips

• Undersink and countertop residential filtration setups
• Pre and post reverse osmosis filtration stages
• Recreational vehicle filtration and small scale water systems
• Light foodservice and humidification applications
• Optional pressure-relief button on the inlet side for easier cartridge changes

Choosing the clear version helps visually verify cartridge life and flow, while the reinforced cap ensures durability. The 3/8 inch NPT connections provide compatibility with common fittings. When replacing cartridges, relieve pressure with the optional button if present.

What to expect in real-world use

This housing is built for reliability in compact spaces, making everyday filtration tasks more straightforward. It supports routine maintenance checks through its visible internals and offers a simple, secure mounting solution for a range of setups.