Sand Filters

What Size of Sand Filter Do I Need?

Pool Size	Litres	Gallons	Minimum Filter Size
15' Round	20,000	5,300	19 Inch
18' Round	28,800	7,600	19 Inch
21' Round	39,200	10,400	21 Inch
24' Round	51,200	13,500	21 Inch
27' Round	64,900	17,100	21 Inch
30' Round	80,100	21,200	21 Inch

Pool Size	Litres	Gallons	Minimum Filter Size
12' x 18'	24,500	6,500	19 Inch
12' x 24'	32,600	8,600	19 Inch
14' x 28'	44,400	11,700	21 Inch
16' x 32'	58,000	15,300	23 Inch
18' x 36'	73,400	19,400	23 Inch
20' x 40'	90,600	23,900	25 Inch

Note: All figures above are approximate and based on averages generated with a constant depth of 48 inches. Use only as a guideline, actual manufacturer specifications may differ; refer to individual product details and documentation prior to purchasing.