💦 Dive into Serenity with FROG 4!
The FROG 4 Serene® Bromine Cartridges are designed for in-line and floating systems, providing a dual-action approach to sanitizing hot tub water. With a significant reduction in bromine usage, these cartridges ensure cleaner, clearer, and softer water while being easy to maintain with prefilled cartridges and included test strips.
| Product Dimensions | 20.32 x 20.32 x 38.1 cm; 1.12 kg |
| Part number | Y7-LLE4-N1FW |
| Item display height | 38.1 centimeters |
| Item display length | 20.3 centimeters |
| Item display width | 20.3 centimeters |
| Power source type | Manual |
| Manufacturer | FROG |
| Item model number | 20066 |
| ASIN | B0B1LSQGTS |
R**
Perfect!
Came as expected and is a good price
J**N
Great product!
These are definitely worth the money. Each cylinder last about 3-4 weeks and work fast.
T**S
good
buy again
F**H
Good product
Good price
A**E
Great product.
I have always used Frog products and have no complaints.
Trustpilot
2 days ago
2 months ago