Hayward | HCF348C | HCF Series 48" Bobbin-Wound Sand Filter

The Hayward HCF348C 48" Bobbin-Wound Sand Filter is a large-format commercial filtration system engineered for maximum performance, superior durability, and simplified installation. Designed to replace multiple smaller filters with a single high-capacity unit, it streamlines plumbing systems, reduces equipment room congestion, and minimizes maintenance demands. Constructed from heavy-duty filament-wound fiberglass with a UV-protected resin coating and corrosion-proof internals, the HCF348C delivers reliable long-term filtration in even the harshest aquatic environments.

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Key Features

• Large-format 48" body eliminates the need for multiple smaller filters, reducing installation complexity while supporting flow rates up to 433 GPM for high-demand facilities.

• Heavy-duty filament-wound fiberglass construction provides exceptional strength, structural stability, and long-term durability under continuous commercial operation.

• UV-protected resin coat and corrosion-proof internal components withstand chemical exposure, environmental elements, and harsh water conditions.

• Industrial-grade laterals and quad diffusers ensure optimized water distribution, improved filtration efficiency, and extended filter cycle times.

• Large manway with positive-seal access simplifies inspection, internal servicing, and backwashing procedures.

• Durable fiberglass base provides a secure, stable installation platform suitable for commercial pump rooms and mechanical spaces.

• Streamlined design reduces plumbing requirements and lowers long-term system maintenance costs.

• Built for high-performance filtration in large-scale aquatic environments such as waterparks, competition pools, recreation centers, and resort facilities.

• NSF/ANSI Standard 50 Certified for commercial pool and spa filtration safety and performance.

• Engineered for endurance and backed by Hayward’s commercial-grade reliability for long-term operational confidence.

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Product Overview
The Hayward HCF348C 48" Bobbin-Wound Sand Filter is engineered to meet the demanding filtration needs of large commercial pools by delivering exceptional clarity, hydraulic efficiency, and long service life. Its large-format design enables facilities to consolidate filtration into a single high-capacity unit, saving valuable floor space and reducing the complexity typically associated with multiple-filter installations.

Constructed using heavy-duty filament-wound fiberglass and protected by a UV-resistant resin coating, the HCF348C offers outstanding resistance to corrosion, chemical attack, and environmental wear. The industrial-grade quad diffuser and lateral system provide consistent water distribution, improving filtration efficiency and extending filter cycles for reduced maintenance frequency. With easy-access manway design, simplified backwashing, and robust construction built for continuous operation, the HCF348C stands as a best-in-class solution for commercial aquatic facilities that demand performance, reliability, and long-term durability.