SKU: 86311614485

GrowHard PK Boost

$17.10 $19.00
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 13 - Jul 18

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

GrowHard PK BoostPK BOOST Bigger Blooms, Better Yields Formulated to meet the high demand for phosphorus and potassium during flowering, PK BOOST supports larger flowers and improved yields when it matters most. Directions: Add 12 mL per litre of nutrient solutionUse during week 4 & 5 of flowering Boost flower size, strength, and productivity.

GrowHard PK Boost
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 86311614485

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4.7 ★★★★★
Based on 142 reviews
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Product Reviews
A
Verified Purchase
ADR
Natrona Heights, US
★★★★★ 4
good quality
Color: Premium-CF10285
Fit perfectly good price seems like above average quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 1, 2025
A
Verified Purchase
Anita Coffer
Phoenix, US
★★★★★ 5
cabinet air filter for a Toyota sienna
Color: Premium-CF10285
Premium cabinet air filters with dual action work effectively. I really like it and have a subscription.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
N
Verified Purchase
Nelson Agosto
West Palm Beach, US
★★★★★ 5
Buena elección.
Color: Premium-CF10285
Muy bueno , se persibe el cambio en la calidad del aire que entra o reciecula en la cabina del auto.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
D
Verified Purchase
Dustin B
Massapequa, US
★★★★★ 5
Fits 2010 Subaru Forester with 2.5 non-turbo
Definitely looks and feels like a better than OEM air filter. Not sure of any other benefits.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
A
Verified Purchase
Amazon Customer
Charlottesville, US
★★★★★ 5
Fits
Fits a 15 Subaru Forester, working great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026

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