AstralPool CA Media Filter Range Engineered for Crystal-Clear Water in Tough Australian Conditions Made and tested in Australia, the AstralPool CA Media Filter range delivers sparkling, healthy pool water while withstanding our harsh UV, heat and salt-rich environments. Each tank is fully injection-moulded for maximum strength, then paired with AstralPool’s premium 6-way multi-port valve and 10-lateral under-drain to keep pressure loss ultra-low—even when you upgrade to energy-saving variable-speed pumps. With four active models—CA280, CA300, CA340 and CA400—the CA range covers pools from small courtyard plunge pools right through to large family pools of ~190,000L. Simply match your turnover requirement (see table below) to pick the perfect model. Built for Modern, Energy-Efficient Set-ups. The CA’s quick-lock ring and barrel-union ports make installation painless, and 40 mm or 50 mm connections integrate seamlessly with today’s variable-speed and inverter pumps. Pair with AstralPool’s Viron Active Glass for best-in-class micron filtration and noticeable sparkle. Key Features 100% Australian-made UV-stabilised tank for long service life Premium 10-lateral under-drain – ultra-low pressure drop & faster back-wash 6-way multi-port valve with quick-lock ring for tool-free maintenance Compatible with silica sand, recycled glass & Zeolite media 40 mm (CA280) or 50 mm (CA300-CA400) barrel-union ports – easy retrofit Designed for high-efficiency & variable-speed pumps 10-year tank / 12-month valve warranty Climate Care Certified & fully compliant with Australian safety standards Model Comparison Table Model Tank Ø (mm) Filter Area (m²) Port Size (mm) 6 hr Turnover (L) 8 hr Turnover (L) Sand (kg) Glass Coarse (kg) Glass Fine (kg) Height* (cm) Width* (cm) Weight (kg) CA280 665 0.30 40 100,800 134,400 120 45 75 102.5 66.5 20 CA300 665 0.30 50 108,000 144,000 120 45 75 107.6 66.5 21 CA340 745 0.38 50 122,400 163,200 150 60 90 107.6 74.5 22 CA400 816 0.46 50 144,000 192,000 200 75 125 123.3 81.6 28 *Height & width measured with valve installed. Frequently Asked Questions Q1: Which CA model suits my pool size?Match the litres your pool turns over in six hours to the “6 hr Turnover” column above. For example, a 75,000 L pool pairs perfectly with the CA280, while pools above 150 kL benefit from the CA400. Q2: Can I run glass media instead of sand?Absolutely. The CA range is optimised for both high-grade silica sand and recycled crushed glass. Glass offers finer filtration (down to 3 µm) and needs 20–25% less back-washing. Q3: How often should I back-wash?Under normal residential use, back-wash when the pressure gauge rises 8–10 kPa above the clean reading—typically every 4–6 weeks in peak season.
