N40 Air Stone
Buy N40 air stone in India — compact diffuser for sponge filters and airline tees.
Price: ₹150.00 · In stock
The N40 Air Stone is stocked by Aquaroutine for planted, shrimp, and community aquariums in India. This page is original store copy for SKU N40-AIRSTONE — specs, who it is for, and how we expect you to run it. Listed specs: N40 air stone. Spare stones. One photo on this SKU. Rinse, connect, add NRV. Replace when bubbles go coarse. ## FAQ **What is the model?** Manufacturer-style model on this listing is N40. **Do you include GST?** Yes — Aquaroutine invoices GST on eligible orders. **Will carton size match the photo?** Carton dimensions are packing size, not always the wet footprint. Use listing specs for the job. **Support?** Open the order or product page and write to support with the SKU if a part is missing. Aquaroutine ships this SKU across India with a GST invoice. Match the wattage, flow, and footprint to your tank before you add livestock or dense stems. If a number on the carton disagrees with this page, trust the model printed on the housing and write to support with a photo of the label. We stock this as a repeatable equipment SKU, not a one-off stone — use the listing specs when you compare hang-on, canister, light length, or sponge size against the tank you already own.