Generic Backstroke Flag Set [48 18" x 12" Pennants, 105 ft, Blue/White] (76-376-1000) vanguard The 4404010108 is a practical

The 4404010108 is a practical replacement for compatible Astral Pool Persius filters that need renewed drain-point sealing and dependable maintenance access

Installing the proper valve can help restore confidence in the filtration system and improve overall day-to-day control

Hayward pump union nut

In gunite-style applications

practical fix

Generic Backstroke Flag Set [48 18" x 12" Pennants, 105 ft, Blue/White] (76-376-1000) vanguard The 4404010108 is a practicalThe Generic 76 376 1000 backstroke flag set includes 48 pennants measuring 18 inches by 12 inches on a 105 foot line in blue and white. A flag set like this is useful because it helps mark the turn approach area for swimmers, making it a practical accessory for pool safety and lane use visibility. Backstroke flags are a familiar visual marker in training and competition environments, and a complete set can be especially helpful when replacing an older