Inspired by water, made for pool—Professional pool product manufacturer since 1992
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GTL Series
Astrowave Pool
The GTL Series Gel-Coated Fiberglass Pool Filter is engineered for pool owners and commercial operators who demand maximum strength, safety, and durability in high-pressure filtration systems.
Featuring a monoblock gel-coated exterior body, the filter tank and base are integrally molded as one single structure, eliminating the use of a separate conventional base. This fully gel-coated, one-piece construction significantly improves structural integrity, pressure resistance, and long-term reliability compared to standard fiberglass pool filters.
Each unit is factory pressure tested at 4.0 Bar (58 psi) to ensure safe and stable operation under demanding conditions. The thickened fiberglass wall, combined with a smooth gel-coated finish, provides excellent resistance to UV exposure, corrosion, and pool chemicals, making it ideal for outdoor installations.
The 30 mm thick large clear-view lid allows quick visual inspection of the sand media and internal condition without opening the filter, simplifying daily checks and maintenance.
SUltra-Durable Monoblock Construction: Unlike traditional filters with separate bases, the GTL Series features a seamless, monoblock gel-coated exterior body. The base is integrally molded and coated as part of the tank, providing superior structural strength and extraordinary resistance to the elements, making it significantly more robust than conventional fiberglass filters.
Extra-Thick Large Clear-View Lid: Equipped with a heavy-duty, 30mm thick transparent wide cover that allows for real-time, unobstructed monitoring of the filter bed. You can easily inspect the media condition and filtration process without opening the tank.
Rigorous Quality Assurance: Built to perform, each filter undergoes stringent testing with a Factory Testing Pressure of 4.0 Bar (58 psi), ensuring reliable operation well beyond normal usage conditions. We stand behind its superior quality with a 10-year body warranty.
Superior Corrosion Resistance: The advanced gel-coated fiberglass construction provides a smooth, high-gloss finish that is highly resistant to UV rays, chemicals, and harsh environmental conditions.
Deep-Bed Filtration Technology: The deep-bed design enhances dirt-holding capacity and improves water clarity by providing a more thorough filtration path compared to standard filters.
8-Function Side-Mount Valve: Comes with a durable multiport valve for effortless operation, including functions like Filter, Backwash, Rinse, Waste, Recirculate, and Closed.
Safety First: Includes an integrated air safety valve and high-precision pressure gauge for real-time monitoring.
The GTL Series is versatile and ideal for:
Residential & Semi Commercial Swimming Pools
Clubhouse and Commercial Pools
Spa and Wellness Centers
Water Features & Aquaculture Systems
| Main Material | Gel-coated Glass Fiber(Monoblock exterior) |
|---|---|
| Factory Testing Pressure | 4.0 bar / 58 psi |
| Maximum Working Pressure | 36 psi / 2.5 bar |
| Highest Temperature Resistance | 43°C (109°F) |
| Warranty | 10 years body warranty |
| Suggested Filter Medium Size | 0.5 - 0.8 mm |
Choose the right GTL model based on your pool capacity and flow rate requirements:
| Model | Filtration Area | Maximum Flow Rate | Media Weight | Inlet/Outlet Connection | |||||
| ft² | m² | gpm | lpm | m³/h | lbs | kgs | GB (mm) | ANSI | |
| GTL-500 | 2.1 | 0.2 | 44 | 166 | 10 | 220 | 100 | GB50 | 1.5" |
| GTL-600 | 3 | 0.28 | 62 | 233 | 14 | 440 | 200 | GB50 | 1.5" |
| GTL-750 | 4.7 | 0.44 | 97 | 367 | 22 | 1060 | 480 | GB63 | 2" |
| GTL-900 | 6.9 | 0.64 | 141 | 531 | 32 | 1655 | 750 | GB63 | 2" |
| Model | A | B | C | D | E |
| mm | mm | mm | mm | mm | |
| GTL-500 | 510 | 573 | 822 | 310 | 526 |
| GTL-600 | 590 | 653 | 920 | 420 | 627 |
| GTL-750 | 880 | 966 | 1211 | 650 | 782 |
| GTL-900 | 964 | 1050 | 1334 | 725 | 922 |
Note: The GTL series transparent wide filter lid design makes it easy to monitor and maintain the optimal operation of the filter, representing some of the most advanced sand filter technology currently on the market.
The GTL Series Gel-Coated Fiberglass Pool Filter is engineered for pool owners and commercial operators who demand maximum strength, safety, and durability in high-pressure filtration systems.
Featuring a monoblock gel-coated exterior body, the filter tank and base are integrally molded as one single structure, eliminating the use of a separate conventional base. This fully gel-coated, one-piece construction significantly improves structural integrity, pressure resistance, and long-term reliability compared to standard fiberglass pool filters.
Each unit is factory pressure tested at 4.0 Bar (58 psi) to ensure safe and stable operation under demanding conditions. The thickened fiberglass wall, combined with a smooth gel-coated finish, provides excellent resistance to UV exposure, corrosion, and pool chemicals, making it ideal for outdoor installations.
The 30 mm thick large clear-view lid allows quick visual inspection of the sand media and internal condition without opening the filter, simplifying daily checks and maintenance.
SUltra-Durable Monoblock Construction: Unlike traditional filters with separate bases, the GTL Series features a seamless, monoblock gel-coated exterior body. The base is integrally molded and coated as part of the tank, providing superior structural strength and extraordinary resistance to the elements, making it significantly more robust than conventional fiberglass filters.
Extra-Thick Large Clear-View Lid: Equipped with a heavy-duty, 30mm thick transparent wide cover that allows for real-time, unobstructed monitoring of the filter bed. You can easily inspect the media condition and filtration process without opening the tank.
Rigorous Quality Assurance: Built to perform, each filter undergoes stringent testing with a Factory Testing Pressure of 4.0 Bar (58 psi), ensuring reliable operation well beyond normal usage conditions. We stand behind its superior quality with a 10-year body warranty.
Superior Corrosion Resistance: The advanced gel-coated fiberglass construction provides a smooth, high-gloss finish that is highly resistant to UV rays, chemicals, and harsh environmental conditions.
Deep-Bed Filtration Technology: The deep-bed design enhances dirt-holding capacity and improves water clarity by providing a more thorough filtration path compared to standard filters.
8-Function Side-Mount Valve: Comes with a durable multiport valve for effortless operation, including functions like Filter, Backwash, Rinse, Waste, Recirculate, and Closed.
Safety First: Includes an integrated air safety valve and high-precision pressure gauge for real-time monitoring.
The GTL Series is versatile and ideal for:
Residential & Semi Commercial Swimming Pools
Clubhouse and Commercial Pools
Spa and Wellness Centers
Water Features & Aquaculture Systems
| Main Material | Gel-coated Glass Fiber(Monoblock exterior) |
|---|---|
| Factory Testing Pressure | 4.0 bar / 58 psi |
| Maximum Working Pressure | 36 psi / 2.5 bar |
| Highest Temperature Resistance | 43°C (109°F) |
| Warranty | 10 years body warranty |
| Suggested Filter Medium Size | 0.5 - 0.8 mm |
Choose the right GTL model based on your pool capacity and flow rate requirements:
| Model | Filtration Area | Maximum Flow Rate | Media Weight | Inlet/Outlet Connection | |||||
| ft² | m² | gpm | lpm | m³/h | lbs | kgs | GB (mm) | ANSI | |
| GTL-500 | 2.1 | 0.2 | 44 | 166 | 10 | 220 | 100 | GB50 | 1.5" |
| GTL-600 | 3 | 0.28 | 62 | 233 | 14 | 440 | 200 | GB50 | 1.5" |
| GTL-750 | 4.7 | 0.44 | 97 | 367 | 22 | 1060 | 480 | GB63 | 2" |
| GTL-900 | 6.9 | 0.64 | 141 | 531 | 32 | 1655 | 750 | GB63 | 2" |
| Model | A | B | C | D | E |
| mm | mm | mm | mm | mm | |
| GTL-500 | 510 | 573 | 822 | 310 | 526 |
| GTL-600 | 590 | 653 | 920 | 420 | 627 |
| GTL-750 | 880 | 966 | 1211 | 650 | 782 |
| GTL-900 | 964 | 1050 | 1334 | 725 | 922 |
Note: The GTL series transparent wide filter lid design makes it easy to monitor and maintain the optimal operation of the filter, representing some of the most advanced sand filter technology currently on the market.
