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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25
Supports both downflow (DF) and upflow (UF) regeneration
switch to SiLICIUM Bloom in efforts to promote larger flowers and fruits as well as regulate "salt stress" caused from excess K/Na molecules
painted black for added durability in harsh environments
water-repellent outer shell for long-lasting durability
Sandstone Rock Valve Box Cover 53017 Bio-Fertilizer Supports both downflow (DF) andAttractive alternative to standard valve boxes Protects valves from damage due to sunlight or weather Made with weather resistant material Fits up to 4 anti siphon valves Fits easily over most 20 In. rectangular boxes For outdoor use with cold water only
