Boldtbags are industrial strength filter bags. Handmade in America, these bags are reinforced with double stitching using military-grade nylon thread and heat-fused nylon, lined with FDA compliant resins.
just what i needed. Definitely important to use the right line.
great replacements. love the quality
great products, thanks hydrobuilder team for the prompt delivery.
Built strong. Perfect for our needs
First one they send didn’t work. They sent me a new one pretty fast and it works great!






















