Adjustable drip flow
A control valve lets you adjust the water drop speed to suit your watering setup.
GWHOLE
Adjustable plastic water bottle spikes for drip-watering potted plants. They are designed to fit common bottle threads and regulate flow.

The most important capabilities and tradeoffs at a glance.
A control valve lets you adjust the water drop speed to suit your watering setup.
Attach a water-filled bottle to the adapter spike and insert it into the soil for drip watering.
Designed for houseplants, potted plants, vegetables, shrubs, hanging baskets, herbs, patio plants, and small trees.
GWHOLE Automatic Watering Spikes are adjustable PP plastic bottle adapters designed to provide drip watering for potted plants.
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Detailed specifications and product characteristics.
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