Filed April 10, 2019

Serial No. 88378931

Examining Attorney MICHELLE RACH RIBAUDO

Class System for supplying and circulating air and water to ponds comprised of piping apparatus, air filters in the form of strips and cartridges for use in pond aspiration and ventilation systems; Water filters in the form of strips and cartridges for use in pond filtration systems; Parts of air and water filters, namely, containers for filters, for fine filters, in particular for fine biological filters, for aspiration of surfaces and bottom sediments and for ventilation, filtering containers for fine filters, in particular for fine biological filters as well as cartridges of filter fabrics made of geological textiles for use in the said fine filters; 013; 021; 023; 031; 034; 001; 005; 012; 013; 035; 050; 001; 012; 033; 050; 002; 013; 022; 025; 032; 050; 100; 103; 106