Big Blue CTO Carbon Block Water Filters 4.5" x 20" Whole House Cartridges Set

Name: Ronaqua Big Blue CTO Carbon Block Water Filters 4.5" x 20" Whole House Cartridges Set - Big Blue CTO Carbon Block Water Filters 4.5" x 20" Whole House Cartridges Set
Brand: Ronaqua
SKU: 7509884043306
Price: 27.25 USD
Availability: InStock
Rating: 5 (3 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$27.25

Quantity

Color

Black

Quantity

Description

Big Blue CTO Carbon Block Water Filters 4.5" x 20" Whole House Cartridges (C-20BB)-20" Big Blue Block Activated Carbon filters are similar in their performance to that of GAC filters, being made of fine coconut shell carbon they also do re...

Reviews

5.0

3 ratings

Great prices and quick shipping. I’ll be buying here again.

Sue · March 5, 2026

Whole house filters

Exact filters for my whole house water filter system. great price (cheaper} than anywhere else. Very fast (free) shipping. Will definitely purchase again.

Sam · January 22, 2025