Such kitchen sink strainer can filter out food, hair, and residue that can block up your drains. The rubber washer that sits neatly underneath the Plug creates a seal when fully pressed in to the kitchen sink so that it acts as a plug and allows you to fill up the sink with water.
eBay
1Pcs Washbasin Sink Drain Plug, Press Type Washbasin Sink, Anti-Odor Plug, Bounce Core Floor Drain Bathroom Sink Clogging Filter
Aliexpress UK
The strainers are made of durable silver stainless steel, adding a sleek and stylish touch to the kitchen decor.
eBay
Universal Pop-up Core Drainage Filter Bathroom Sink Plug Washbasin Stopper Kitchen Deodorant Floor Drain Plug Push-type Drain
Aliexpress UK
No more blockedsink, bath or basin. Simply place inyour plug hole, for example in your bath or shower and these little device will catch dirt and hair and stop it going down the plug hole. 2 x Drain Waste Plug.
eBay
Silicone Bathroom Sewer Seal Ring Kitchen Sink Sewer Pipe Plug Washing Machine Anti-odor Leakage Floor Drain Seal Connector Plug
Aliexpress UK
Easy to install: just put the cover across the faucet hole, then get underneath the sink to tight the bottom screw, easy installation without any tools. Keep the kitchen clean and tidy by preventing water from leaking onto the floor.
eBay
5 Pairs 110mm Sink O-Ring Sink Cover Replacement Gasket Sink Strainer Seal Washer Sink Drain Seal Gasket For Kitchen Bathroom
Aliexpress UK
Type: Sink / Bath Drain Stopper. 1 × Universal Sink Plug. ✔Premium Stainless Steel – Rust-resistant, durable, and long-lasting. ✔Leak-Proof Design – Creates a tight seal to stop water from draining. Material: Stainless Steel.
eBay
Silicone Bathtub Drain Plug, Universal Conical Spiral Plug Suitable for Bathtub and Sink Drain Outlets, Leak Proof Sealing Plug
Aliexpress UK
1Pc Stainless Steel Kitchen Sink Filter, Garbage Food Residue / Hair Catcher — Keep Your Bathtub & Sink Clean. 🛁Also Suitable for Bathroom / Bathtub. This Stainless Steel Kitchen Sink Filter is designed to catch leftover food, residue, or hair before it enters the drain — helping to prevent blockages and keeping your sink area fresh and clean.
eBay
5pcs Seal Washer Gasket Basket Strainer Plug For 78 79 80 82 83mm Home Sink Drain Supplies Practical Rubber Kitchen Seal
Aliexpress UK
2 in 1 function. It can be used as strainer or stopper. 2 x Kitchen Sink Strainer. Easy to use. Fits perfectly in all standard Kitchen 8cm drain with pin type operation. Easy to remove and clean stainless basket.
eBay
Silicone Bathroom Sewer Seal Ring Kitchen Sink Sewer Pipe Seal Plug Washing Machine Anti-odor Leakage Floor Drain Seal Connector
Aliexpress UK
Sinks, slop sink, bathtubs, laundry sinks and so on. Rubber Plug For Sink Bathtub Kitchen Bathroom Wash Basin Shower Drain Stopper. 1 Rubber Plug Sink Drain Stopper (for kitchen sink, bath & shower plug holes).
eBay
1PC Anti-backflow Odor Prevention Device For Sewer Pipes Kitchen Sinks Washing Machines Silicone Sealing Ring Drain Plug
Aliexpress UK