Nature's Head Composting Toilet with Spider Handle by Nature's Head No one - and I mean no one - will beat my customer service and individual support Easy to install by any reasonably handy person. Absolutely No Odor. No Maintenance. 5 Year Warranty. Huge Capacity. 2 people using full time will empty every 4-6 weeks. Easy empty in 5 minutes. A vast improvement over older composting toilet designs. This one works!