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Excellent for retaining filter media:
BioBalls, ribbon media, zeolite, etc.
¼” white mesh with draw cord and slide-lock.
Lok41: 12” x 12”
Lok42: 12” x 18”
Lok43: 12” x 30”
Lok44: 18” x 24”
Lok45: 20” x 30”
Lok46: 24” x 36”