The Sierra 4-stage reverse osmosis system delivers gallons of clean, clear drinking water. Choose from 36 gpd, 50 gpd, or 75 gpd membrane options. e Sierra features hygienically sealed filter cartridges and color-coded fittings for easy installation and service. When properly maintained, the Sierra system will provide you with years of trouble-free service. e cartridges in this system must be replaced on a regular basis to maintain efficiency and to ensure high water quality. Test your water every 6 months using a digital TDS meter. Consider membrane replacement when the TDS rejection falls below 85%.
Shipping & Delivery Policy
At Onlinesportsmall, we are dedicated to getting your home and kitchen essentials to you as quickly as possible. To ensure the highest quality and best pricing, we work directly with our manufacturing partners to ship products efficiently from our network of fulfillment centers, including our primary hub in Houston, Texas.
Because your convenience is our priority, our Customer Support Team is available 24/7 to assist you with any shipping inquiries.
Cost: We offer Free Shipping on all orders across the Continental United States.
Restrictions: We do not ship to P.O. Boxes, APO/FPO addresses, or international destinations at this time.
Our fulfillment centers operate six days a week (Monday through Saturday) to process and dispatch your orders.
Order Cut-off Time: 2:00 PM (CST) – Monday to Saturday.
Handling Time: 1–3 Business Days (Monday – Saturday).
Transit Time: 3–5 Business Days (Monday – Friday).
Total Delivery Time: 4–8 Business Days.
By working directly with our manufacturing partners, we optimize our logistics to reduce transit distances. We utilize reliable carriers such as UPS, FedEx, and USPS.
A shipping confirmation email with a tracking number will be sent as soon as your order is dispatched. Please allow up to 24 hours for the carrier’s tracking link to reflect the status of your package. You can also contact our 24/7 support team for real-time updates.
If your package is marked as delivered but you cannot find it, or if it arrives damaged, please notify us within 48 hours. Our 24/7 support team is ready to help coordinate replacements or resolutions immediately.
Legal Entity: Ami Ventures Inc (dba Onlinesportsmall)
Physical Address: 14932 Kuykendahl Road, Houston, TX 77090
Customer Support: Available 24/7, 365 Days a Year
Phone: +1 832-344-5453
Email: support@onlinesportsmall.com
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